The first cloning experiments in the 1950s involved frogs and toads.
克隆实验开始于20世纪50年代，对象为青蛙和蟾蜍。
This type of tongue, also present in frogs and toads, is called an extensile tongue.
这种青蛙和蟾蜍也有的舌头叫做伸缩舌头。
Toads and frogs are amphibians that have protruding eyes.
蟾蜍和青蛙是眼睛凸出的两栖动物。
Toads sand frogs are amphibians that have protruding eyes.
蟾蜍和青蛙是眼睛凸出的两栖动物。
The two beetles, E. dejeani and E. circumscriptus, readily dine on toads, frogs and salamanders.
这两种甲虫是迪氏黄缘青步甲(e .dejeani)和环斑青步甲(e .circumscriptus)，它们以蟾蜍、青蛙和蝾螈为食。
Toads have shorter legs and are generally clumsier than frogs.
蟾蜍的腿比青蛙短，而且通常比青蛙丑。
Toads have shorter legs and are generally more clumsy than frogs.
蟾蜍比青蛙脚短，一般说来没有青蛙灵活。
Toads have shorter legs and are generally more clumsy than frogs.
蟾蜍比青蛙脚短，一般说来没有青蛙灵活。
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