n.兩棲動(dòng)物
amphibian的復(fù)數(shù)形式.
The skin of amphibians is permeable to water. 兩棲動(dòng)物的皮膚是透水的。
In reptiles, birds, amphibians and insects the term egg refers to a fertilized ovum with protective and nutritive tissues. 而在爬蟲(chóng)類(lèi),鳥(niǎo),兩棲動(dòng)物與昆蟲(chóng),卵是指受精之后的合子。