4周搞定2000+托福核心词
两次；两倍
twice
常考释义
But I’d like to think element 43 was discovered twice.
But I’d like to think element 43 was discovered twice.
来源于：听力OFFICIAL8 L4adv. to think twice：再三考虑；重新考虑
She should think twice before saying such stupid things.
她在说这些蠢话之前应该先在脑子里过两遍。
adv. 两倍
He gets twice as much pocket money as me.
他得到的零花钱是我的两倍。
The figure of seventy-million pounds was twice as big as expected.
7,000万英镑的数额是预期的两倍。
It took us nearly twice as long to return to the station.
返回车站花了我们将近两倍的时间。
A report claimed that teachers could be twice as effective if they returned to traditional classroom methods.
有报道称，如果教师重新采用传统的课堂教学方法，效率会提高一倍。
She is twice your age.
她比你年长一倍。
adv. 两次
I knocked on the door twice.
我敲了两次门。
I phoned twice a day, leaving messages with his wife.
我一天打了两通电话，托他妻子留了口信。
Try to do this exercise at least twice a week.
争取每天做两次这种运动。
This famous horse race has taken place here twice a year since 1310.
自1310年以来，这项著名的赛马比赛每年在这里举行两次。
Foster, who is twice the world champion, competes today.
两届世界冠军福斯特也参加了今天的比赛。
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