1、twice:adv.两次; 两遍; 两倍;
2、[例句]He visited me twice that fall and called me on the telephone often.那年秋天他来看过我两次,而且经常给我打电话。
3、I phoned twice a day, leaving messages with his wife.我每天打两次电话,托他妻子捎口信。
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