词典释义：
a person or thing acting or serving in place of another
代替者；代替物
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soya milk is used as a substitute for dairy milk. 豆奶可用作牛奶的替代品。
a sports player nominated as eligible to replace another after a match has begun
替补队员。
a person or thing that becomes the object of love or another emotion which is deprived of its natural outlet
情感替代者（或物）
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a father substitute. 替代父亲的人。
【苏格兰律】 副职
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a sheriff substitute. 副行政司法长官。
use or add in place of
用…代替
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dried rosemary can be substituted for the fresh herb. 干迷迭香可用来代替鲜草。
[no obj.]act or serve as a substitute
接替，替代
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I found someone to substitute for me. 我找到了一个人接替我。
replace (someone or something) with another
用（另外的人，物）替代
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customs officers substituted the drugs with another substance 海关官员用另外一种东西替换了毒品
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this was substituted by a new clause. 这由一个新条款替换了。
replace (a sports player) with a substitute during a match
（比赛中）替换（运动员）
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he was substituted eleven minutes from time. 比赛结束前１１分钟他被换下。
【化】 取代（分子中的一个或一组原子，尤指氢原子）。
[as adj.
【化】 （化合物中的一个或几个氢原子被其他原子或原子团）取代
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a substituted terpenoid. 替代的萜烯。
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a/no substitute for ... ...的替代品/没有...的替代品
真题例句：
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substitute (...) for ... (用...)代替...
真题例句：
"late Middle English （denoting a deputy or delegate）： from Latin
