Nouns such as book, pen, apple and toy are countable nouns.

像书、笔、苹果和玩具这类名词，称其为可数名词。

youdao

Nouns such as book, pen, apple and toy are countable nouns.

像书、笔、苹果和玩具这类名词，称其为可数名词。

youdao