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1、twice：adv.兩次; 兩遍; 兩倍;

2、[例句]He visited me twice that fall and called me on the telephone often.那年秋天他來(lái)看過(guò)我兩次，而且經(jīng)常給我打電話。

3、I phoned twice a day, leaving messages with his wife.我每天打兩次電話，托他妻子捎口信。