The noun " mouse " is the singular form of " mice " .

名词mouse是 mice 的单数形式.

《简明英汉词典》

The singular form of " dogs " is " dog ".

“ dogs ” 的单数形式是 “ dog ”.

辞典例句

English people use the singular form of the noun in expressions of that sort.

英国人在这类词组中,常用名词的单数.

辞典例句

Anna: The plural form is the same as the singular form.

安娜: 复数形式与单数形式相同.

互联网

Though it appears in the singular form.

尽管它表面上是单数形式.

互联网