duplicate
🇺🇸
/ˈduːplɪkeɪt/
🇬🇧
/ˈdjuːplɪkeɪt/
to make an exact copy of something
Please duplicate this document so we both have a copy.
この文書を複製してください。そうすれば両方ともコピーを持てます。
to do something again, especially when it is unnecessary
Don't duplicate the work that has already been done.
すでに完了した作業を重複して行わないでください。
exactly like something else; made as a copy of something else
This is a duplicate key for the same lock.
これは同じ錠の複製鍵です。
one of two or more things that are the same in every detail; a copy of an original
I made a duplicate of the file just in case.
念のためファイルの複製を作成しました。