动词
中文翻译：变成
同义词：
['turn into', 'turn out to be', 'become']
例句：
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1.She became a famous singer after winning the competition.
她在比赛后成为了一名著名的歌手。
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2.The new policy will become effective next month.
新政策将于下个月生效。
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3. He became a successful entrepreneur after years of hard work.
经过多年的努力工作，他成为了一名成功的企业家。