Enzymatic activity of invertase of root is higher than it on the forestedge, the differences are obvious.
不同生长季节不同林型的根际蔗糖酶活性均高于林缘，差异均显著。
2
One time, the goat went to the forestedge alone. Suddenly it saw a piece of tiger skin which some hunter might had left on the ground.
一次，山羊独自走到森林边上，忽然发现地上有一张虎皮，也不知是哪一位猎人丢下的。
3
In many semiarid areas there is also a lower timberline where the forest passes into steppe or desert at its lower edge, usually because of a lack of moisture.