动词
中文翻译：替换
同义词：
['replace', 'substitute']
例句：
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1. The old model is being replaced by a new one.
旧模型正在被新模型替换。
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2. The company has decided to replace the old system with a new one.
公司决定用新的系统替换旧的系统。
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3. He was replaced by a more experienced colleague.
他被一个更有经验同事取代了。