指包含两个单位与一个单位单数及多个单位复数相对的的语法数字范畴。

The unit crime is one category which is opposite to the crime of natural person.

youdao

这个词单位单复数形式相同。

This word has the same form in the singular as in the plural.

youdao

这个词单位单复数形式相同。

This word has the same form in the singular as in the plural.

youdao