amphibian
noun [ C ] uk/æmˈfɪb.i.ən/ us/æmˈfɪb.i.ən/
(ANIMAL)
两栖动物
an animal, such as a frog, that lives both on land and in water but must produce its eggs in water
(VEHICLE)
水陆两用飞机|水陆两用车
an aircraft or other vehicle that can be used on land and on water
He flew an amphibian, which he could set down on water in case of an engine problem. 他驾驶的是两栖飞机，当引擎出现问题时，他可以把飞机停在水上。
Compare: seaplane