duplicate
duplicate — 動詞
1. to produce a second item that is exactly the same as the original, such as a doc
複製
製作與原物完全相同的副本
to produce a second item that is exactly the same as the original, such as a document, a key, a digital file, or a piece of art.
Élise used the office scanner to duplicate the contract before mailing it.
Élise 用辦公室的掃描器複製合約，然後才寄出去。
duplicate + direct object (document)
The museum allowed researchers to duplicate old photographs from the archive.
博物館允許研究人員從檔案中複製老照片。
duplicate + from [source]
Christopher duplicated the apartment key at the hardware store on Prince Street.
Christopher 在王子街的五金行複製了公寓鑰匙。
The technician duplicated the entire project folder onto a backup drive.
技術人員將整個專案資料夾複製到備份硬碟上。
Every page in the damaged manuscript was duplicated by Lakshmi using a flatbed scanner.
Lakshmi 用平台掃描器複製了受損手稿的每一頁。
文法句型
duplicate + [noun phrase]
用法筆記
The object is typically a concrete item (document, key, photo) or a digital entity (file, folder). Use 'from' to indicate the source and 'onto' or 'to' for the destination medium.
常見錯誤
2. to carry out the same task, action, or process a second time, especially when do
重複
不必要地再做一次
to carry out the same task, action, or process a second time, especially when doing so is wasteful or serves no additional purpose.
Noa duplicated her report because she forgot she had already submitted it online.
Noa 重複寫了一份報告，因為她忘了已經在線上繳交了。
duplicate + work already done
Joaquín duplicated the same calculation error across three columns of the spreadsheet.
Joaquín 在試算表的三欄中重複了同樣的計算錯誤。
duplicate + mistake (unwanted repetition)
Linh worried that the new marketing proposal would duplicate the campaign from last quarter.
Linh 擔心新的行銷提案會重複上一季的活動內容。
The new scheduling system prevents teams from duplicating each other's maintenance tasks.
新的排程系統可以防止各團隊重複彼此的維修工作。
Caleb realized the two departments were duplicating the same customer survey work.
Caleb 發現兩個部門在重複做同一份客戶調查。
- avoid
preventing unnecessary repetition is the opposite of creating it
文法句型
duplicate + [noun phrase (effort/work/mistake)]
用法筆記
Common in workplace contexts with words like 'effort,' 'work,' 'task,' and 'mistake.' Carries a negative tone of wastefulness or oversight. Distinguish from sense verb/1: here the focus is on unnecessary repetition, not on creating an exact copy.
常見錯誤
3. to become twice as large in number, amount, or size, or to cause something to re
加倍
使增加為原來的兩倍
to become twice as large in number, amount, or size, or to cause something to reach twice its previous level.
The company's annual revenue duplicated in the two years after the merger with SunCorp.
該公司在與 SunCorp 合併後的兩年間，年營收加倍。
intransitive: revenue duplicate (increase twofold)
Ayana's workload duplicated when two senior nurses left the paediatric ward unexpectedly.
Ayana 的工作量在兩位資深護理師突然離開兒科病房後加倍了。
The population of the coastal town duplicated between 2010 and 2020 as new factories opened.
隨著新工廠開幕，那座沿海小鎮的人口在 2010 至 2020 年間翻了倍。
The manufacturer duplicated its output by adding a second assembly line at the factory.
該製造商在廠內增加第二條裝配線，使產量加倍。
- double
the everyday word; 'double' is far more common than 'duplicate' for this sense
- increase twofold
more formal; often used in academic or business writing
- halve
to reduce by half — the direct opposite of doubling
文法句型
duplicate + [noun phrase]
[noun phrase] duplicate (intransitive)
用法筆記
Considerably less common than sense verb/1. Used in formal or statistical writing about business, population, or production metrics. The intransitive use ('revenue duplicated') is the most frequent pattern. 'Double' is the everyday alternative.
常見錯誤
duplicate — 形容詞
1. describing something that matches the original in every detail, so that the two
相同的
與原物一模一樣的
describing something that matches the original in every detail, so that the two items are indistinguishable from one another.
Rania kept a duplicate set of wedding photos at her mother's flat in Taipei.
Rania 在母親位於台北的公寓裡存放了一套相同的婚禮照片。
duplicate + set of [items]
The duplicate key opened the back gate without any trouble at all.
那把相同的鑰匙毫不費力就打開了後門。
duplicate + key (common collocation)
Min found a duplicate invoice in the folder and threw the extra one away.
Min 在資料夾裡發現一張重複的發票，便把多餘的那張丟了。
The hotel receptionist handed Christopher a duplicate room card during check-in.
飯店櫃檯人員在辦理入住時遞給 Christopher 一張備用房卡。
A duplicate licence was issued after Aylin reported her original one stolen.
Aylin 報失原本的證件後，當局補發了一張相同的執照給她。
- original
the first version from which duplicates are made
文法句型
duplicate + [noun]
用法筆記
Almost always used before a noun (attributive position). Common with items that can be easily copied: keys, documents, cards, files, receipts. Not used with a complement (*'this key is duplicate').
常見錯誤
2. having two parts that are the same in shape, size, or design, usually because th
成對的
由兩個相同部分構成的
having two parts that are the same in shape, size, or design, usually because they are intended to form a matching pair.
The twins wore duplicate outfits on their birthday to surprise their classmates.
那對雙胞胎在生日當天穿了成對的服裝去上學，讓同學們大吃一驚。
The architect placed duplicate stone pillars at both ends of the courtyard garden.
建築師在庭院花園的兩端各放置了一座成對的石柱。
duplicate + plural noun (paired items)
The two guest rooms on opposite ends of the hall have duplicate furnishings and layouts.
走廊兩端的那兩間客房配有相同的家具和格局。
The software generates duplicate windows so users can compare data side by side.
該軟體會產生成對的視窗，方便使用者並排比較資料。
文法句型
duplicate + [plural noun]
用法筆記
Less common than the adjective sense about copies. Typically describes paired architectural features, symmetrical designs, or matching sets. Often interchangeable with 'matching' or 'identical' in such contexts.
常見錯誤
duplicate — 名詞
1. a physical or digital item that has been made to be exactly the same as another
複製品
與原件完全相同的物品
a physical or digital item that has been made to be exactly the same as another item, usually to serve as a replacement or backup.
This painting is a duplicate of the one hanging in the Musée d'Orsay.
這幅畫是巴黎奧賽博物館那幅畫作的複製品。
a duplicate of + [original]
Caleb made a duplicate of the spreadsheet before applying any formula changes.
Caleb 在修改公式之前先做了一份試算表的複本。
The librarian found a duplicate of the rare Japanese map in the basement storage room.
圖書館員在地下儲藏室裡找到了那張稀有日本地圖的複製品。
Aylin stored a digital duplicate of her passport in a secure online folder.
Aylin 把護照的數位複本存放在一個安全線上資料夾中。
The restaurant kept duplicates of all reservations from the previous week for reference.
餐廳保留了上週所有訂位的複本以備查詢。
- original
the first version from which duplicates are derived
文法句型
a duplicate of + [noun phrase]
用法筆記
Typically used with 'of' to indicate the original ('a duplicate of the key'). Often implies the duplicate is kept as a backup rather than for everyday use. Do not confuse with 'copy,' which is more general — a duplicate is always an exact replica.
常見錯誤
2. a situation in which a document exists in two identical copies, typically one fo
一式兩份
文件連同正副本共兩份
a situation in which a document exists in two identical copies, typically one for each party involved, or one for filing and one for reference.
Please fill out this customs form in duplicate and keep the yellow copy for yourself.
請填寫這份海關申報表，一式兩份，黃色那一份自己留存。
fill out [form] in duplicate
The visa application must be submitted in duplicate with two recent passport photographs.
簽證申請書必須一式兩份繳交，並附上兩張近期護照用照片。
submit [document] in duplicate
All sales invoices should be prepared in duplicate for the tax office and the customer.
所有銷售發票都應準備一式兩份，一份給稅務機關，一份給顧客。
The tenancy agreement was signed in duplicate so each party kept a copy.
租約一式兩份，雙方各持一份。
- in two copies
a clearer but less formal alternative; 'in duplicate' is the standard phrase in official English
- in triplicate
same idea with three copies instead of two
文法句型
in duplicate
用法筆記
Used only in the fixed phrase 'in duplicate,' which follows verbs like 'fill out,' 'submit,' 'prepare,' 'sign,' or 'issue.' Common in official, legal, and administrative contexts. Never used as a standalone noun; not 'the duplicate' for this sense.
常見錯誤
3. an extra copy of a collectible item — such as a stamp, a book, or a coin — that
多餘藏本
收藏品中多出的一份
an extra copy of a collectible item — such as a stamp, a book, or a coin — that is already present in a collection and is therefore surplus to requirements.
Tara traded her duplicate stamp from the 1963 set with a collector in Kyoto.
Tara 用她那張 1963 年套票中的多餘郵票，和京都的一位收藏家交換。
duplicate + collectible item (stamp)
The antiquarian bookshop sold its duplicate of the first-edition novel at auction.
那間古書店在拍賣會上出售了它所收藏的初版小說的多餘副本。
Anjali brought her duplicate copy of the cookbook to the community book swap event.
Anjali 把她多出來的那本食譜帶去社區換書活動。
Coin collectors often catalogue duplicates separately and use them for trading with others.
錢幣收藏家通常會將多餘的藏品另外建檔，用來與他人交換。
- extra copy
more general; 'duplicate' is the precise term in collecting circles
- surplus copy
formal; emphasises that the item is not needed
- missing item
a collectible that the collector needs and does not yet own
文法句型
a duplicate of + [collectible noun]
用法筆記
Specialised vocabulary used in the context of collecting. A duplicate in this sense is not just a copy — it is an unwanted extra of something a collector already owns. Often appears alongside 'swap,' 'trade,' 'exchange,' or 'sell.'