动词
中文翻译：变成
同义词：
['turn into', 'become', 'turn out to be']
例句：
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1.The old tree has become a symbol of the town's history.
这棵老树已经成为这个镇历史的象征。
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2. She became a famous singer after winning the competition.
在赢得比赛后，她成为了一名著名的歌手。
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3.He became a successful entrepreneur after starting his own business.
他创业成功后成为了一名成功的企业家。