名詞 amphibian:

1. a flat-bottomed motor vehicle that can travel on land or water
   同義詞：amphibious vehicle
2. an airplane designed to take off and land on water
   同義詞：amphibious aircraft
3. cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form

形容詞 amphibian:

1. relating to or characteristic of animals of the class Amphibia
   同義詞：amphibious

1. The excretory opening of the digestive tract in animals such as birds, reptiles, amphibians, and fish.
   肛門鳥、爬行動物、兩棲動物以及魚等動物的消化道的排泄口
2. Frogs and newts are amphibians.
   青蛙和蠑螈都是兩棲動物。

am.phib.i.an

n.（名詞）
A cold-blooded, smooth-skinned vertebrate of the class Amphibia, such as a frog or salamander, that characteristically hatches as an aquatic larva with gills. The larva then transforms into an adult having air-breathing lungs.
兩棲動物：一種兩棲綱的皮膚光滑的冷血脊椎動物，如蛙或蠑螈，此類動物的特征是有鰓的幼蟲在水中孵化，然后逐漸轉(zhuǎn)變成用肺呼吸的成蟲
An animal capable of living both on land and in water.
水陸兩棲動物
An aircraft that can take off and land on either land or water.
水陸兩用飛機(jī)：可以在水面和地面起飛降落的飛機(jī)
A tracked or wheeled vehicle that can operate both on land and in water.
水陸兩用車

來源：
From New Latin Amphibia [class name]
源自 現(xiàn)代拉丁語 Amphibia [綱名]
from Greek [neuter pl. of] amphibios [amphibious]
源自 希臘語 [] amphibios的中性復(fù)數(shù) [兩棲的]
amphi- [amphi-]
amphi- [前綴amphi-]
bios [life] * see g wei-
bios [生命] *參見 g wei-