它是由一个伐木工发现的，伐木工的工作就是砍树。
It was found by a logger — a person whose job is to cut down trees.
现在人们不能砍树了.
People are not allowed to cut down trees.
也就是说，吃的肉多了，农民就需要更多的土地来圈养动物。而为了得到更多的土地，他们就会去砍树，也就是我们所说的采伐森林。
Finn:So eating more meat means farmers need more land to keep their animals on. And to get more land, they need to cut down trees – which is called deforestation.
一只海狸正在用牙齿砍树。
One beaver is cutting a tree with its teeth.
我们需要一把斧头来砍树。
We need an axe to cut down the tree.
伐木工人每天在森林里砍树。
The woodcutter chops down trees in the forest every day.
在砍树之前测量一下树的高度。
Measure the hight of the tree before cutting it down.
他用锋利的斧头砍树。
He hew the tree with a sharp axe.
他用斧头砍树。
He uses an axe to cut the tree.
这名伐木工向新工人解释了砍树的过程。
The feller explained the process of tree felling to the new workers.