常见例句An order of hooved mammals of the subclass Eutheria (including pigs and peccaries and hippopotami and members of the suborder Ruminantia) having an even number of functional toes. 有蹄哺乳动物的一目，属于真兽亚纲（包含猪、野猪、河马和反刍亚目的成员），功能脚趾为偶数。 返回 hooved