unit
unit — 名詞
1. one individual thing that can exist by itself, or a separate piece that joins wi
單元；個體
可單獨存在或組成更大事物的個別部分
one individual thing that can exist by itself, or a separate piece that joins with others to create a larger whole.
In biology class, Andrei learned that a cell is the smallest living unit in the body.
在生物課上，Andrei 學到細胞是身體最小的生命單元。
unit of [something larger]
The apartment building has forty separate storage units available for rent.
這棟公寓大樓有四十間獨立儲物單元可供出租。
Salma divided her long essay into several short units, each covering one key idea.
Salma 把長篇論文分成幾個小單元，每個單元討論一個重點。
Each teaching unit in the workbook focuses on a different grammar topic.
練習本裡每個教學單元都聚焦於一個不同的文法主題。
The bookshelf comes in three separate units that you can stack together.
這個書櫃由三個獨立的單元組成，可以疊放在一起。
- whole
the complete thing that units make up together
文法句型
unit + of + noun
用法筆記
Often followed by of + noun to specify what kind of larger structure the item belongs to (e.g. unit of currency, unit of society).
常見錯誤
2. a cabinet or shelf sold as one piece of a collection where every part shares a c
傢俱組件
可搭配成套的櫥櫃等傢俱
a cabinet or shelf sold as one piece of a collection where every part shares a consistent look and can join together.
Hugo mounted a wall unit in the living room to hold his books and TV.
Hugo 在客廳裝了一組牆面櫃，用來放書和電視。
The kitchen came with fitted units along both walls, including cupboards and drawers.
廚房兩面牆都裝了嵌入式櫥櫃，包括碗櫃和抽屜。
fitted units — built-in furniture
Charlotte ordered a matching set of shelving units for her home office.
Charlotte 為她的家庭辦公室訂了一套尺寸相配的層架組。
The bathroom cabinet is part of a modular unit that can be expanded later.
浴室櫃屬於模組化傢俱的一部分，以後可以擴充。
用法筆記
Commonly paired with words that describe the type of furniture: kitchen unit, shelving unit, wall unit, storage unit. British English uses unit for fitted kitchen furniture; American English often says cabinet instead.
3. a self-contained device built to carry out a specific function, whether used alo
裝置；組件
具有特定功能的小型設備或機器零件
a self-contained device built to carry out a specific function, whether used alone or connected into a bigger system.
The air conditioning unit stopped working during the hottest week of summer.
空調主機在最熱的那個星期壞掉了。
air conditioning unit
Nikhil replaced the power supply unit inside his desktop computer after it failed.
Nikhil 桌機的電源供應器故障後，他換了一個新的。
Nicholas installed a control unit in the greenhouse that opens the vents when it gets too hot.
Nicholas 在溫室裡安裝了一個控制裝置，太熱時會自動打開通風口。
Sofia connected a new display unit to her laptop so she could work on two screens at once.
Sofia 把一個新的顯示器連接到筆記型電腦上，這樣她就可以同時用兩個螢幕工作。
Each floor of the hotel has its own boiler unit that supplies hot water.
飯店每層樓都有自己的鍋爐機組，負責供應熱水。
用法筆記
The specific function of the unit is almost always stated before the word (e.g. processing unit, cooling unit, display unit).
4. one individual product considered as a single copy of the goods a manufacturer p
件；單件
公司製造或销售的單一產品
one individual product considered as a single copy of the goods a manufacturer produces and offers for sale.
The factory shipped over two thousand units of the new smartphone in the first week.
這家工廠在第一週就出貨了兩千多支新款智慧型手機。
sell/produce/ship X units
Buying in bulk lowered the cost per unit from £12 to £9, saving the shop over £300.
大量購買讓每件商品的單價從12英鎊降到9英鎊，總共為店裡省了超過300英鎊。
cost per unit
Tomás ordered ten units of the blue folder and five of the red one.
Tomás 訂了十個藍色檔案夾和五個紅色的。
The store manager checked how many units of each product were left on the shelf.
店長清點了每種產品在貨架上剩餘的件數。
文法句型
unit + of + noun
per unit
用法筆記
Very common in business, manufacturing, and retail contexts. Often appears with numbers (X units) or in phrases like price per unit, units sold, unit cost.
常見錯誤
5. one self-contained residence, such as an apartment or flat, located inside a lar
住宅單元
大樓中的獨立公寓或房間
one self-contained residence, such as an apartment or flat, located inside a larger structure or development.
The new apartment complex has fifty units, each with two bedrooms.
新的公寓社區有五十戶，每戶都是兩房格局。
Yuna and her roommate are looking for a two-bedroom unit near the university campus.
Yuna 和室友正在大學附近找一間兩房的租屋。
Each unit in the condominium building has its own parking space in the basement.
這棟大廈的每個住宅單元在地下一樓都有自己的停車位。
The landlord owns six rental units on this street alone.
房東光是在這條街上就有六間出租的住宅單元。
用法筆記
Used especially by real estate agents, landlords, and property managers. In British English, flat is more common in everyday speech; unit is more formal.
6. someone or something remarkably huge, used informally to express admiration or p
龐然大物
體型巨大、令人印象深刻的東西
someone or something remarkably huge, used informally to express admiration or playful surprise at the size.
Minh's boyfriend is an absolute unit — he has to duck through every doorway.
Minh 的男朋友真是個龐然大物——每次過門都得低頭。
absolute unit [informal, admiring]
That old warehouse behind the station is a massive unit of a building.
車站後面那間舊倉庫真是棟超大建築。
The lorry Bilal drives is a proper unit, much bigger than his old one.
Bilal 開的卡車真是個大傢伙，比他的舊車大多了。
Look at the size of that dog — what a unit!
你看那隻狗有多大——簡直是巨無霸！
用法筆記
This is a colloquial British usage, often paired with absolute (absolute unit). Used affectionately rather than as an insult. Do not use in formal writing.
7. a set of people who join together for a shared aim, such as soldiers in a milita
團隊；小組
為共同目標一起生活或工作的人群
a set of people who join together for a shared aim, such as soldiers in a military squad, workers on a project team, or family members living under one roof.
Christopher's army unit was sent to help with disaster relief after the earthquake.
Christopher 的部隊在地震後被派去協助救災。
military context: army unit
The research unit at Ayana's university published a report on ocean pollution.
Ayana 大學裡的研究團隊發表了一份關於海洋污染的報告。
academic context: research unit
Each family unit in the apartment building was asked to reduce water usage.
公寓大樓裡的每個家庭都被要求減少用水量。
Mauricio manages a small sales unit that handles customer complaints across Asia.
Mauricio 管理一個負責處理亞洲客戶投訴的小型銷售團隊。
The firefighters formed a special rescue unit trained for mountain emergencies.
消防隊成立了一支專門訓練搜救山難的特種救援小組。
文法句型
unit of [people]
[adjective] unit
用法筆記
Often modified by an adjective describing the purpose (military unit, research unit, family unit).
常見錯誤
8. a set amount that people agree on as a reference for expressing how big or small
計量標準
表達長度、重量等數值的固定標準
a set amount that people agree on as a reference for expressing how big or small something is, such as metres for distance, litres for volume, or degrees for temperature.
The metre is the standard unit for measuring distance in most countries.
公尺是大多數國家用來測量距離的標準單位。
common collocation: standard unit
The litre is a common unit for measuring liquids like milk, petrol, and cooking oil.
公升是用來測量牛奶、汽油和食用油等液體的常見單位。
example: litre as a common volume unit
The energy in food is measured in units called calories.
食物中的能量是以卡路里為單位來測量的。
Hassan converted the recipe from imperial units to metric ones.
Hassan 把食譜從英制單位換算成公制單位。
Most countries use kilometres per hour as the speed unit on road signs.
大多數國家的道路標誌都以每小時公里數作為速度單位。
文法句型
unit of [measurement]
[noun] unit
常見錯誤
9. a fixed quantity of pure alcohol used as a standard for describing how much alco
酒精單位
計算飲酒量的固定標準
a fixed quantity of pure alcohol used as a standard for describing how much alcohol a drink contains, helping people keep track of their drinking.
Kenji's doctor advised him to drink no more than two units of alcohol each day.
Kenji 的醫生建議他每天飲酒不超過兩個酒精單位。
collocation: units of alcohol
At a health workshop, Dr. Padma explained that one unit of alcohol is roughly half a pint of regular beer.
在一場健康講座中，Padma 醫師解釋說一個酒精單位大約等於半品脫一般啤酒。
Hamza checked the bottle label to find the alcohol units inside.
Hamza 檢查了酒瓶上的標籤，想看看裡面有多少酒精單位。
After two units of wine, Sora decided to take a taxi home instead of driving.
喝了兩個單位的葡萄酒之後，Sora 決定搭計程車回家，不自己開車。
- standard drink
used in American and Australian health guidelines; slightly different quantities
文法句型
unit of alcohol
[number] unit(s)
用法筆記
Primarily used in British health advice. One unit equals roughly 8 grams or 10 millilitres of pure ethanol.
常見錯誤
10. a specialised section of a hospital that has the staff and equipment needed to t
病房；科別
醫院裡專治特定疾病或症狀的部門
a specialised section of a hospital that has the staff and equipment needed to treat patients with a particular medical condition, such as the intensive care unit or the maternity ward.
Luca was moved to the intensive care unit after his heart surgery.
Luca 在心臟手術後被轉到加護病房。
common hospital term: intensive care unit
The maternity unit at City Hospital delivered over two thousand babies last year.
市立醫院的產科去年接生了兩千多名嬰兒。
Allison volunteers at the children's unit every Saturday, playing board games and reading stories with young patients.
Allison 每週六在兒童病房當志工，跟小病人一起玩桌遊、讀故事。
The hospital opened a new stroke unit with twenty beds for recovering patients.
醫院新開了一間中風病房，有二十張床位供病患康復使用。
Nala spent three days in the burns unit after the kitchen accident.
Nala 在廚房發生意外後，在燒傷病房住了三天。
- ward
a more general term for a room or area in a hospital; 'unit' often implies specialised equipment or staff
- department
broader; can refer to the entire medical specialty rather than a specific area
文法句型
the [adjective] unit
[proper noun] unit
11. each single figure between zero and nine, looked at on its own as part of the pl
個位數
從0到9的任何單個數字
each single figure between zero and nine, looked at on its own as part of the place-value method for writing larger numbers.
When you write twenty-seven, the seven goes in the units column.
寫二十七的時候，七要寫在個位數那一欄。
education context: units column
Ada asked her students to add the numbers in the tens and units columns separately.
Ada 要她的學生分別把十位數和個位數相加。
When the teacher asked what digit goes in the units column of 634, Mayumi answered 'four' without any help.
當老師問634的個位數是什麼時，Mayumi 毫不猶豫地回答『四』。
Mathieu explained that zero is a valid unit even though it represents nothing.
Mathieu 解釋說，零雖然代表沒有，但仍然是一個有效的個位數。
- digit
the more common term for any single numeral 0-9
- ones place
the position name in American English
文法句型
the units column
[number] is a single unit
用法筆記
Used almost exclusively in mathematics teaching or when discussing place values. Not used in everyday speech except in 'units column'.
常見錯誤
12. the number 1, regarded as the most basic counting quantity from which all other
數字一
作為計數基本單位的數字1
the number 1, regarded as the most basic counting quantity from which all other whole numbers can be built.
On the whiteboard, the teacher labelled a single circle 'unit' to show it represents the number one.
老師在白板上把一個圓圈標示為「單位」，來說明它代表數字一。
formal mathematical use: unit as 'the number one'
During the fractions lesson, Cyrus cut a single unit of paper into four equal parts for the class to see.
在分數課上，Cyrus 把一張單位紙張剪成四等份給全班看。
In binary code, only two symbols are needed: the unit and the zero.
二進位只需要兩種符號：單位和零。
Daniel drew a single unit on the board and asked the class to name the number it represents.
Daniel 在黑板上畫了一個單位，然後請全班說出它所代表的數字。
文法句型
the unit
a single unit
用法筆記
This sense is restricted to formal or technical mathematical contexts. In everyday speech, speakers use 'one' rather than 'unit' to mean the number 1.
常見錯誤
unit — 形容詞
1. relating to the price, cost, or size of a single item within a larger group or q
每單位
以單一物品為計算基準的
relating to the price, cost, or size of a single item within a larger group or quantity — used especially when comparing deals or calculating expenses per individual piece.
Femi checked the unit price of the olive oil before choosing the larger bottle.
Femi 在選擇較大瓶的橄欖油之前，先查看了單價。
collocation: unit price of + product
The hospital ordered supplies in bulk to lower the unit cost of each syringe.
醫院大量訂購物資，以降低每支注射器的單位成本。
The receipt lists the unit price of each item separately from the total.
收據上將每項商品的單價與總金額分開列出來。
Haruto compared the unit prices of three different brands of coffee beans.
Haruto 比較了三種不同品牌咖啡豆的單價。
A smaller unit size often means you pay more per gram of laundry powder.
較小的單位容量通常每克洗衣粉的價格更高。
- per-unit
hyphenated, used in the same attributive position ('per-unit cost') but less common
- individual
broader — 'individual price' works in some contexts but lacks the mathematical precision of 'unit price'
- bulk
contrasts the per-item focus ('bulk price' vs 'unit price'); bulk refers to the total for a large quantity
文法句型
unit + noun
用法筆記
Frequently used in attributive position before nouns such as price, cost, size, and quantity. Common in retail, manufacturing, and business contexts where per-item comparisons matter.