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(mén)鳥(niǎo)、爬行動(dòng)物、兩棲動(dòng)物以及魚(yú)等動(dòng)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(dòng)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(dòng)物：一種兩棲綱的皮膚光滑的冷血脊椎動(dòng)物，如蛙或蠑螈，此類(lèi)動(dòng)物的特征是有鰓的幼蟲(chóng)在水中孵化，然后逐漸轉(zhuǎn)變成用肺呼吸的成蟲(chóng)
An animal capable of living both on land and in water.
水陸兩棲動(dòng)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(chē)

來(lái)源：
From New Latin Amphibia [class name]
源自 現(xiàn)代拉丁語(yǔ) Amphibia [綱名]
from Greek [neuter pl. of] amphibios [amphibious]
源自 希臘語(yǔ) [] 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(jiàn) g wei-