amphibian

/æmˈfɪbiən/

a flat-bottomed motor vehicle that can travel on land or water

Chinese meaning: 水陆两用车；两栖动物

The military uses amphibian vehicles to cross rivers during operations.

军方在行动中使用水陆两用车渡河。

Frogs are amphibians that can live both in water and on land.

青蛙是既能在水中也能在陆地上生活的两栖动物。