名词
中文翻译：代替者
同义词：
['replacement', 'substitute', 'proxy']
例句：
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1.The substitute teacher will take over the class for me.
代课老师将接替我上课。
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2.She substituted her husband for a day to attend the wedding.
她请了一天假来参加婚礼。
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3. The company has decided to substitue its current manager with someone else.
公司已决定用其他人来替换当前的经理。