单数

The noun “mouse” is the singular form of “mice”.

名词mouse是mice单数形式。

The noun is in the singular.

这个名词是单数形式。

And Kwaio has not just singular and plural, but dual and paucal too.

瓜依沃语中不光有单数复数，还有双数。

The king (singular), together with two aides, is expected in an hour.

王（单数） 两个随从一小时内就到达 。