be substituted for
表示用某物替代另一物。
Artificial sweeteners are often substituted for sugar.
人造甜味剂常被用来替代糖。
被另一个取代的
取代的；代替的
replaced by another
取代的；代替的
v put in the place of another; switch seemingly equivalent items；v be a substitute；v act as a substitute
The regular teacher was sick, so a substitute teacher was substituted in her place.
正式老师生病了，所以一位代课老师被替换来替代她。
用法提示：过去分词表示被替换的动作，用于被动语态
In the recipe, I substituted honey for sugar, but the cake still tasted sweet.
在食谱中，我用了蜂蜜代替糖，但蛋糕仍然很甜。
用法提示：过去分词用于主动语态的完成时，表示主语执行的替换动作
The damaged part was substituted with a new one during the repair.
修理期间，损坏的部件被替换成了新的。
用法提示：过去分词用于被动语态，强调被替换的对象
表示用某物替代另一物。
Artificial sweeteners are often substituted for sugar.
人造甜味剂常被用来替代糖。
表示某人被取代某个职位或角色。
He was substituted as the team captain.
他被替换掉了队长的职务。
grammar · medium
易错句子I substituted coffee with tea.
正确表达I substituted tea for coffee.
动词substitute的正确结构是“substitute B for A”（用B代替A），而不是“substitute A with B”。中文直译“用咖啡代替茶”导致介词误用，英语中应表示为“用茶代替咖啡”，即把被替代物放在for之后。
grammar · medium
易错句子The old part was substituted by a new one.
正确表达The old part was substituted for a new one.
被动语态中，substitute后仍接介词for表示替代物，而非by表示动作执行者。常见错误是将by等同于“被”，但实际需用for引出替代品。
substituted 强调临时或等效替换；replaced 强调永久或彻底替换
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