singular noun
柯林斯词典
1. N-COUNT A singular noun is a noun such as "standstill" or "vicinity" that does not have a plural form and always has a determiner such as "a" or "the" in front of it. 单数名词
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1. N-COUNT A singular noun is a noun such as "standstill" or "vicinity" that does not have a plural form and always has a determiner such as "a" or "the" in front of it. 单数名词