第三人称单数:amphibians
1. 两栖类:什么能够在理论上阻止古代有蹄类(ungulate )进化成鲸,又有什么能阻止古代鱼类进化成两栖类(amphibian)呢?以后还要提到,化石记录提供了更多的大结构变化的证据,既有骨骼形态的,也有软组织形态的. 然而,
2. 两栖飞机:两栖飞机 两栖飞机(Amphibian)是指可以加装或者是本身就有机轮,能够直接在陆地上操作与起降的水上飞机,这一类飞机可以视需要在水面或者是陆上机场活动,因此有两栖飞机的称呼.
3. 兩棲類動物:Amphiboids - 有两栖类动物(amphibian)的特徵的人种, 水陆两栖Reptileoids - 有爬虫类动物(reptilian)特徵的人种, 皮肤盖满鳞片Insectoids - 有昆虫(insects)特徵的人种, 皮肤有蟹壳质Sauroids - 有蜥脚类动物(sauropod)特徵的人种,
1. 两栖动物
Amphibians are animals such as frogs and toads that can live both on land and in water.
2. 水陆两用车
An amphibian is a vehicle which is able to move on both land and water, or an aeroplane which can land on both land and water.
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noun
1. cold-blooded vertebrate typically living on land but breeding in water
aquatic larvae undergo metamorphosis into adult form
2. an airplane designed to take off and land on water
Synonym: amphibious aircraft
3. a flat-bottomed motor vehicle that can travel on land or water
Synonym: amphibious vehicle