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adv. 两次,两倍

来源于古英语twige(两次)。

拆分: twi-二 + -ce副词词尾     

同源词:
two

例:
Bob phoned twice today. 鲍勃今天打了两次电话。 
This box is twice as large as that one. 这个盒子是那个盒子的两倍。 
Twice three is six. 二三得六。