New World frogs; in some classifications essentially coextensive with the family Bufonidae.美洲蛙; 在某些分类中,基本上与蟾蜍科同延.the croaking of frogs蛙鸣Frogs produce slime to keep their skin moist.青蛙分泌出黏液来使皮肤保持湿润。This type of tongue , a...
I ran to my favorite section : the petting section and started petting a sea slug.我跑到了我最喜欢的展区: 触摸池,然后就开始玩一条海参.This section of the market has slowly declined in importance.这部份市场的重要程度慢慢降低。The students are drawn from a cros...