We are not allowed to cut down trees.
我们是不允许砍伐树木的。
People are not allowed to cut down trees.
现在人们不能砍树了。
His work is to cut down trees for the factory.
他的工作就是为工厂砍树。
They went to the Jordan and began to cut down trees.
到了约但河、就砍伐树木。
People are not a11owed to cut down trees when they are still small.
当树还小的时候，是不允许人们砍的。
There will be no need of paper and therefore no need to cut down trees.
纸张将不再必需，因此也就无须在砍伐树木。
For example, people are not allowed to cut down trees. Otherwise, they will be punished.
比如，人们不能砍伐树木，否则将会受到惩罚；
Secondly, Those people who dare to cut down trees at random should be punished seriously.
其次，对于那些敢于任意砍伐树木的人必须严惩。
We cut down trees to make houses, furniture and paper.
我们砍伐树木去建房、制作家具以及造纸。
When trees are cut down, there is nothing to hold the soil in place.
树木被砍伐了，山坡上就没有什么东西能够把土壤保持住了。
We've cut down a lot of trees to make room for farms.
我们砍伐了许多树木来给农场腾出空地。
They had to cut down a lot of trees to make room for farms.
他们不得不砍伐一些树木，从而为农场提供足够的地方。
That is because, humanity in order to build houses, and cut down trees caused.
那是因为，人类为了建造房屋，砍伐树木所造成的。
Many trees are cut down to build more factories.
许多树木被砍伐，建立更多的工厂。
We must take steps to prevent the trees from being cut down.
我们必须采取措施，不让树木被人砍伐。
Are these trees going to be cut down? — Yes, they are.
这些树将被砍倒吗？ - - -是的，将被砍倒。
The trees were cut down to make way for a new road.
为了修一条新路，那些树木被砍掉了。
They had to cut down a lot of trees to made room for farms.
为了腾出地方建农场只好伐倒许多树木。
They had to cut down a lot of trees to make room for farming.
为了腾出地方开辟农场，只好伐倒很多树木。
Young trees are not allowed to cut down in some countries.
在一些国家不答应砍伐小树。
The council have told us to cut down the trees.
地方议会通知我们砍掉这些树。
They had to cut down a lot of trees to make room for farms.
他们砍了许多树为农场盖房子。
We must do something to protect the trees from being cut down.
我们必须做一些事情来保护树木免遭砍伐。
No need to cut down the trees as they are helpful in structural base support.
不需要砍伐树木，因为它们有助于结构基础的支持。
If farmers cut down trees and forests, giant will have nowhere to live.
如果农民砍伐树木和森林，熊猫就将无处容身。
How much is it going to cost us to cut all these trees down?
把这些树全部砍倒要花费我们多少钱？
We cut down trees to make furniture and paper.
我们伐树制作家具和造纸。
At present, many trees are cut down and used to make chopsticks.
目前很多树都被砍下用来做筷子。
At present, many trees are cut down and used to make chopsticks.
目前很多树都被砍下用来做筷子。
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