n.互换
The frog jumped into the ditch. 青蛙跳进了沟里。
Do you remember the lesson on the anatomy of a frog? 你还记得我们解剖青蛙的那堂课吗？
The magician transformed the frog into a princess. 魔术师把青蛙变成了公主。
Tadpoles are the infancy form of frogs. 蝌蚪是青蛙的幼年形态。
