自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
ADV 两次 If something happens twice, there are two actions or events of the same kind.
He visited me twice that fall and called me on the telephone often...
The government has twice declined to back the scheme…
ADV (表示频率)每天两次/一周两次 You use twice in expressions such as twice a day and twice a week to indicate that two events or actions of the same kind happen in each day or week.
I phoned twice a day, leaving messages with his wife...
This famous horse race has taken place here twice a year since 1310.
这一著名的赛马比赛自 1310 年以来每年在这里举行两次。
ADV 两倍;强(或好、难)得多 If one thing is, for example, twice as big or old as another, the first thing is two times as big or old as the second. People sometimes say that one thing is twice as good or hard as another when they want to emphasize that the first thing is much better or harder than the second.
The figure of seventy-million pounds was twice as big as expected.
…a report claiming that teachers could be twice as effective if they returned to traditional classroom methods.
PHRASE 重新考虑;慎重考虑;思忖再三 If you think twice about doing something, you consider it again and decide not to do it, or decide to do it differently.
She'd better shut her mouth and from now on think twice before saying stupid things.