动词
中文翻译：变得
同义词：
['turn into', 'become', 'turn outto be']
例句：
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1. Shebecame a famous singer after years of hardwork.
经过多年的努力，她成为了一名著名的歌手。
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2. The old man became a greatteacher in his later years.
这位老人在他晚年成为了一位伟大的老师。
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3. Thecompany became a household nameovernight.
这家公司一夜之间成为了家喻户晓的名字。