蝌蚪变成蛙, 它的尾巴就逐渐被吸收掉.As a tadpole changes into a frog, its tail is gradually absorbed.蛙随着雨落开始哇哇叫.Frogs began to croak with the rainfall.蝌蚪是蛙的幼体.The tadpole is the larva of the frog....
对林地和休耕林地的精确划分有时是不大可能的.Accurate separation between forest and forest fallow may not always be possible.我们班正在研究小面积林地的生物承载量.Our class is studying the carrying capacity of small forests.大多数情况下成年叶猴都在林地的树冠上采食树叶.Adult langurs s...