duplicate(1)
a.
1.完全一样的;复制的;副本的
He opened the door with a duplicate key.
他用一把复制的钥匙打开了门.
2.二重的;一对的;二倍的
3.【牌】复局的
n.
1.完全一样的东西;复制品;副本[C]
Keep a duplicate of the letter.
保存一份信的副本.
2.【牌】复局
duplicate(2)
vt.
1.复制;复写;影印,拷贝
All the members received duplicated notices of the meeting.
所有会员都接到同样的会议通知.
2.重复
3.使成双;使加倍