twice
/twaɪs/adverb
1- two times; on two occasions两次：
the earl married twice
这个伯爵结了两次婚
the tablets should be taken twice a day.
这些药片每日服用两次。
1.1
- double in degree or quantity两倍：
I'm twice your age
我年龄是你的两倍
an engine twice as big as the original.
比原来大一倍的引擎。
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