prefix
prefix — 名詞
1. letters put before a base word so the word changes meaning or class
前綴
加在字首改變詞義的部分
letters put before a base word so the word changes meaning or class
The prefix un- changes kind to unkind in our spelling book.
在我們的拼字課本裡，前綴 un- 會把 kind 變成 unkind。
the prefix + example form
Ms Chen taught three prefixes before lunch: re-, pre-, and mis-.
Ms Chen 在午餐前教了三個前綴：re-、pre- 和 mis-。
plural noun: prefixes
Children often learn the prefix pre- when they study time words.
孩子學時間相關的字時，常會先學前綴 pre-。
On the class poster, the prefix anti- came before war in red paint.
在班上的海報上，前綴 anti- 用紅字放在 war 前面。
- affix
broader; includes prefixes, suffixes, and other added forms
- word part
a simpler classroom term, but less exact
- preformative
technical and much less common
- suffix
a word part added at the end
文法句型
the prefix un-
a prefix meaning again
learn prefixes
用法筆記
Used mainly in grammar and word study. Distinguish from noun/4, which is about technical strings added before addresses or code.
常見錯誤
2. a title or label put in front of a person's name or another name
稱謂
放在人名或名稱前的稱呼
a title or label put in front of a person's name or another name
The invitation used Dr as a prefix before Maya's full name.
邀請卡在 Maya 的全名前用了稱謂 Dr。
prefix before a personal name
The town fair posters used Youth as a prefix before Music Week.
鎮上園遊會的海報把 Youth 放在 Music Week 前面。
prefix to an event name
The school banner kept Kids as the prefix in Kids Science Day.
學校布條保留了 Kids Science Day 前面的 Kids 這個字樣。
On the badge, Mrs appeared as the prefix for Elena Ruiz.
在名牌上，Mrs 是放在 Elena Ruiz 前面的稱謂。
文法句型
use a prefix before a name
name prefix
official prefix
用法筆記
Usually names a fixed title or label before a full name. Distinguish from noun/5, which is more often a descriptive phrase than part of the naming.
3. digits dialed first on a telephone number for distance, country, or payment type
冠碼
電話號碼前先撥的碼
digits dialed first on a telephone number for distance, country, or payment type
Without the right prefix, Owen could not call the hotel abroad.
沒有正確的冠碼，Owen 就不能打電話到國外那家旅館。
dial the prefix before the number
The notice printed the prefix in red above the phone number.
通知單把那個冠碼印成紅色，放在電話號碼上方。
Grandma asked which prefix she must dial for the free hospital line.
奶奶問說，打醫院的免付費專線時，前面要先撥哪個冠碼。
The bill showed a premium-rate prefix at the start.
帳單顯示開頭有一組付費專線的冠碼。
- dialling code
common British term for this sense
- calling code
often used for country-based numbers
- area code
narrower; only for a region, not every prefix type
文法句型
dial the prefix
country prefix
premium-rate prefix
用法筆記
Often refers to area, country, or special charging codes. In everyday English, code is often more common than prefix.
4. numbers, letters, or signs placed first in a web address or in code
前置碼
網址或程式前面的字串
numbers, letters, or signs placed first in a web address or in code
Type the https:// prefix before the rest of the school website address.
先輸入 https:// 這個前置碼，再接著打學校網站的完整位址。
prefix in a website address
The login script reads the mailto: prefix before opening the help page.
這支登入程式會先讀取 mailto: 這個前置碼，再開啟說明頁。
Our app adds a test prefix to every sample code line.
我們的 app 會在每一行範例程式前加上測試前置碼。
Kai forgot the https:// prefix, so the copied link would not open.
Kai 忘了在連結前加上 https://，所以複製的連結打不開。
文法句型
URL prefix
code prefix
secure prefix
用法筆記
Common with website, URL, path, and code. Distinguish from noun/1, which belongs to word formation.
5. a word or short phrase regularly put first to describe what follows
描述詞
放在前面描述或限定的詞
a word or short phrase regularly put first to describe what follows
Reporters repeated the prefix former before the minister's name.
記者報導時，一再在部長名字前加上「前」字。
descriptive prefix before a name
In class debate, no one liked the prefix so-called before the plan.
課堂辯論時，沒人喜歡把那項計畫說成「所謂的」計畫。
prefix so-called
The Sunday paper used the prefix self-styled before guru in its report.
那份週日報紙在報導裡用「自封的」來修飾 guru。
Editors removed the prefix alleged from the online headline.
編輯把網路標題裡的「涉嫌」兩字刪掉了。
文法句型
use a prefix such as former
descriptive prefix
critical prefix
用法筆記
Often carries attitude, doubt, or description, as in former or so-called. Distinguish from noun/2, which is more often a fixed title such as Dr.
prefix — 動詞
1. to put letters before a base word so it becomes another word
加前綴
在字首加上前綴
to put letters before a base word so it becomes another word
Please prefix each new verb with re- on the worksheet.
請在作業單上替每個新動詞加前綴 re-。
prefix + object + with + letters
The teacher prefixed the root with un- to show the change.
老師在字根前加前綴 un-，來說明變化。
In the game, children prefix color words with super- for fun.
在遊戲裡，孩子會為了好玩，在顏色字前加上 super-。
On the worksheet, Mia prefixed happy with un- to make unhappy.
在作業單上，Mia 在 happy 前加上 un-，變成 unhappy。
- suffix
to add something at the end instead
文法句型
prefix a word with un-
prefix the root with re-
用法筆記
Usually takes with plus the added letters: prefix X with un-. Distinguish from verb/6, which can take any kind of item, not only letters.
常見錯誤
2. to dial extra digits before a telephone number, especially for outside calls
加冠碼
在電話號碼前先加撥幾碼
to dial extra digits before a telephone number, especially for outside calls
You must prefix the local number with zero from this town.
你從這個城鎮撥出時，必須先在本地號碼前加冠碼 zero。
prefix the number with zero
Lina prefixed the hotel number with the country code.
Lina 在旅館電話前先加上國碼。
The card shows how to prefix the phone number with 001.
那張卡說明電話號碼前要先加上 001。
At the airport phone, Ben forgot to prefix the number with 00.
在機場電話旁，Ben 忘了先在號碼前加撥 00。
文法句型
prefix the number with zero
prefix a local number
用法筆記
Usually used with number and with plus the needed digits.
3. to put a short string at the front of a web address or line of code
加前碼
在網址或程式前加字串
to put a short string at the front of a web address or line of code
The program prefixes each test address with the secure tag.
這個程式會在每個測試位址前加上安全前碼。
prefix address with a tag
Rosa prefixed the sample line with a comment mark.
Rosa 在範例那一行前面加了一個註解記號。
Our tool prefixes every image name with the date.
我們的工具會在每個圖片名稱前加上日期前碼。
To fix the old link, Sam prefixed the path with ftp://.
為了修好舊連結，Sam 在路徑前加上 ftp://。
文法句型
prefix the path with ftp
prefix each address with a tag
用法筆記
Common in technical writing with address, file name, path, or code line.
4. to stand at the start of a name
居前
位於名稱最前面
to stand at the start of a name
In the village records, Saint prefixed several old place names.
在村莊紀錄裡，Saint 會居前於好幾個舊地名。
word as subject: Saint prefixes names
The word City often prefixes the team name on posters.
在海報上，City 這個字常居前於球隊名稱。
On early maps, New prefixed many towns along the river.
在早期地圖上，New 居前於河邊許多城鎮名稱。
On store shelves, Eco prefixes every shampoo name in the line.
在店架上，Eco 會放在這個系列每個洗髮精品名的最前面。
- precede
broader and more common
- stand before
plain explanatory wording rather than a fixed synonym
- follow
to come after instead
文法句型
New prefixes many town names
a word prefixes a name
用法筆記
Subject is usually a word or short label, not a person. Distinguish from verb/5, where someone actively says the word.
5. to say a describing word or title before a name
名字前加
稱呼時先在名字前加字
to say a describing word or title before a name
Speakers often prefix President before Ada Wong at formal dinners.
在正式晚宴上，講者常在 Ada Wong 名字前加上 President 這個頭銜。
prefix a title before a name
The host prefixed dear before each guest's name.
主人稱呼每位賓客時，都會先在名字前加上 dear。
Parents sometimes prefix little before a child's nickname.
父母有時會在孩子的暱稱前加上 little 這個字。
The announcer prefixed brave before the rescue dog's name.
播報員在那隻救援犬名字前加上 brave 這個詞。
文法句型
prefix President before a name
prefix dear before a name
用法筆記
Object is normally a name, and the added word often shows respect, affection, or description.
6. to put one thing in front of another
前加
把某物加在另一物前
to put one thing in front of another
The editor prefixed a short warning to the report.
編輯在報告前加上一段簡短警語。
prefix + object + to + document
Our teacher prefixed the quiz with an easy example.
老師在小考前加了一個簡單例子。
prefix + object + with + item
The museum prefixed each room description with a number.
博物館在每段房間說明前加上一個號碼。
Editors prefix every safety guide with a short note for parents.
編輯會在每份安全指南前加上一則給家長的短註。
- append
to put something at the end instead
文法句型
prefix a warning to the report
prefix the quiz with an example
用法筆記
Broadest verb sense. Distinguish from verb/1 to verb/3, which specify the kind of thing added at the front.
prefix — 形容詞
1. written with the operator before the number, name, or expression it acts on
前置式
運算子放在前面的
written with the operator before the number, name, or expression it acts on
In prefix notation, the sign comes before the numbers.
在前置式記法裡，符號會放在數字前面。
prefix notation
Our coding class used prefix notation, putting the minus sign before 5.
我們的程式課用前置式記法，把負號放在 5 前面。
operator before the number
The workbook prints a prefix form beside the sum 3 + 4.
這本作業本把前置式寫法印在 3 + 4 這個算式旁邊。
In Lisp class, students wrote prefix expressions like + 3 4.
在 Lisp 課上，學生會寫像 + 3 4 這樣的前置式運算式。
- preposed
technical and broader; can describe anything placed before something else
- Polish-style
used for one famous kind of prefix notation, not for every case
文法句型
prefix notation
prefix expression
prefix form
用法筆記
Used in computing, logic, and mathematics, often with notation, operator, or expression.