英文常用「 the+单数可数名词（ singular countable noun）指某一类东西，所以，以下三句都正确： The elephant is a noble animal/ Elephants are noble animals/ An elephant is a nob...
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通过两个实验论述单数可数名词和复数可数名词的标记性。
Themarked effects of singular and plural countable nouns are explored by two experiments.
大多数的不可数名词只有单数的形式。
和不可数名词一起用时可以是单数，和可数名词一起用时可以是复数。
SOME - can be singular with uncountable nouns or plural with countable nouns.
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