mouse的复数是mice，mouse意思是老鼠; 耗子; 鼠标。英语名词变为复数分为规则变化和不规则变化，mouse属于不规则名词，复数其形式特殊，要特别记忆。mouse的复数形式是mice。
mouse变复数例句
It is a mouse (改为复数）
They are mice.
Is that a mouse?(改为复数）
Are those mice?
The mouse is in the hole.(改为复数）
The mice are in the hole.
