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.She became a famous singer after winning the competition.
她在比赛中获胜后成为了一名著名的歌手。
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2.The old tree became a symbol of hope for many people.
这棵老树成为了许多人希望的象征。
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3. He became an expert in his field after years of hard work.
经过多年的努力工作，他成为了他的领域的专家。