1·Like most amphibians these begin life in a juvenile "tadpole" state, then metamorphose into the adult form — except for one species, the axolotl, which famously lives its entire life as a juvenile.
像大多数的两栖动物一样，它们从幼年的“蝌蚪”状态蜕变成成年的形式——蝾螈这个物种除外，众所周知，它一生都处于幼年状态。
2·The tadpole has become a frog.
这个蝌蚪已长成青蛙。
3·The tadpole produce the sound by pushing air out of their lungs.
这种蝌蚪通过将空气从肺中挤出，来发出声音。
4·For instance, a certain kind of tadpole can tell the depth of the water it is swimming in by the pitch of a tone which is produced by its own lungs.
举个例子，有一种蝌蚪能感知它所游泳之处水的深度，它是通过某种自己肺部产生的声音的音调来判定的。
5·He is my tadpole.
他就是我儿时的蝌蚪。