marsupial|marsupials

袋鼠和考拉是典型的有袋类哺乳动物。

Kangaroos and koalas are typical ___marsupial mammals.

袋鼠是典型的袋类动物，它们把幼崽放在腹部的育儿袋里。

Kangaroos are typical ___marsupials that carry their young in a pouch on their belly.

袋鼠是一种典型的袋类动物，它们会把幼崽放在腹部的育儿袋里。

The kangaroo is a typical ___marsupial that carries its young in a pouch on its belly.