名词
中文翻译：替补
同义词：
['substitute', 'substitute', 'stand-in', 'replacement']
例句：
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1. The teamneeds a preplacement for the injured player.
球队需要一个替补球员来替换受伤的球员。
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2.He was a preplacement to his boss during his absence.
在他缺席期间，他是他的老板的替补。
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3. The preplacement will take over the role of the absent manager.
这位替补将接替缺席经理的角色。