-
30 percent of reptiles, birds, and fish are currently threatened with extinction.目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。All reptiles have to slough their skin to grow.所有爬行动物生长过程中都要蜕皮。Snakes and crocodiles are both reptiles.蛇和鳄鱼都是爬行动物....
-
reptiles的音标：reptiles的英式发音音标为：['reptaɪlz]reptiles的美式发音音标为：['reptaɪlz]...
-
Most of the other fossils come from rhynchosaurs ( parrot - beaked reptiles ).其他大部分化石来自剪嘴龙 ( 嘴像鹦鹉的爬行动物 ).All reptiles have to slough their skin to grow.所有爬行动物生长过程中都要蜕皮。All reptiles have to slough their skin to grow...所有爬...