Learner's definition of TWICE
1
: two times : on two occasions两次 -
I only wore it twice.我只穿过两次。
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I called you twice.我给你打了两次电话。
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He has rehearsals twice a month.他一个月排练两次。
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He twice lost to younger opponents.他两次输给了比自己年轻的对手。
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We visited them twice in 10 years.我们十年里拜访过他们两次。
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The dictionary has been twice updated since 1993.这部词典自1993年以来修订过两次。
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I've been there at least twice.我至少去过那里两次。
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We've eaten at that restaurant once or twice. [=one or two times]我们在那家饭店吃过一两次饭。
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We go to Europe twice a year. [=two times every year]我们每年去欧洲两次。
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The mail is delivered twice a day. [=two times every day]邮件每天送两次。
2
: doubled in amount or degree两倍 -
The new house is twice [=two times] as large as our old one.新房子是我们老房子的两倍大。
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He must be twice her age.他的岁数肯定是她的两倍。
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The population is twice that of Canada.这里人口是加拿大人口的两倍。
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The new one costs about twice as much.这件新的要花大约两倍的价钱。
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He could earn twice his present salary at the new job.做这份新工作他的薪水会比现在多一倍。
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Twice two is four. [=two times two is/equals four]二乘以二等于四。