1.something additional of the same kind;
he always carried extras in case of an emergency
2.a copy that corresponds to an original exactly;
he made a duplicate for the files
3.identically copied from an original;
a duplicate key
4.being two identical
1.make or do or perform again;
He could never replicate his brilliant performance of the magic trick
2.duplicate or match;
The polished surface twinned his face and chest in reverse
3.make a duplicate or duplicates of;
Could you please duplicate this letter for me?
4.increase twofold;
The population doubled within 50 years
簡介形容詞 1. 完全一樣的;復制的;副本的 He opened the door with a key. 他用一把復制的鑰匙打開了門。 2.二重的;一對的;二倍的 3.【牌】復局的 名詞 1. 完全一樣的東西;復制品;副本[C] Keep a of the letter. 保存一份信的副本。 延伸 復制;復寫;影印,拷貝 All the members received notices of the meeting. 所有會員都接到同樣的會議通知。 2.重復 3.使成雙;使加倍