amphibian

a. 两栖类的,水陆两用的
n. 两栖动物,水陆两用飞机,水陆两用车

Frogs and newts are amphibians.

青蛙和蝾螈都是两栖动物.

The excretory opening of the digestive tract in animals such as birds, reptiles, amphibians, and fish.

肛门鸟、爬行动物、两栖动物以及鱼等动物的消化道的排泄口