cut down trees和cut trees down ...

明天就要考试了,老师说应是cut trees down ,可书上写的是cut down trees,我到底该怎么写???

急!!

应该是cut down trees
cut down 意思
1.削减
He tried to cut down on smoking but failed.
他试图少抽烟,但没成功。
2.缩短
Cut down the article so as to make it fit the space available on the paper.
把文章缩短一些,这样就能排进报纸有限的版面中。
3.砍倒

例句与用法:
She cut down the sapling with one chop.
她一斧子就把树苗砍倒了.
They cut down that tree.
他们砍倒了那棵树。
He cut down his enemy.
他杀死了他的敌人。
He has to cut down on the consumption of meat.
他不得不减少吃肉。
Do not cut down the tree that gives you shade.
【谚】遮荫之树不可砍。
The aircraft is streamlined to cut down wind resistance.
飞机设计成流线型以减少风的阻力。
The council have told us to cut down the trees.
地方议会通知我们砍掉这些树。
On no account should we cut down the outturn.
我们绝不可以把产量降低。

把树砍倒