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A vegetarian is a person who doesn't eat (meat).

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A vegetarian is a person who doesn't eat (meat).
meat在字典中,可数与不可数都可以充当;
那么本句的中的meat为什么不可以作为可数名词呢?
相同用法有例句最好了~
A vegetarian is a person who doesn't eat (meat).
单复同形的词要根据语境来选择be动词的形式
比如fish指鱼肉时是不可树名词
而当它指不同种类的鱼的时候就就要用复数形式+es
还有hair单指头发时是不可数
但是指白发的时候就要用复数形式+s
there is some fish on your plate
there are some fishes in the river
he has beautifully black hair
he has some white hairs