caecilians
美
英 
词形变化
复数:caecilians
英汉解释
n. | 1. 【动】蚓螈科(Caeciliidae)动物;蚓螈目[无足目](Gymnophionia) |
英英解释
例句
The rediscovered fossil suggests that frogs and salamanders branched out from one set of ancestors while caecilians descended from another.
被重新发现的化石暗示是由青蛙和火蜥蜴分支于一群祖先,而蚓螈却是来自其它群的后代。