Firstly, we must protect trees.
首先，我们必须保护树木。
Let us protect trees and flowers now!
让我们保护花草树木吧！
We should protect trees from being destroyed.
我们应保护树木，不让它们受破坏。
We should protect trees from being destroyed.
我们应保护树木，不让它们受破坏。破坏。
It is necessary to protect trees from the frost.
必须保护树木免受霜冻。
Protecting trees is to protect yourself.
保护树木就是保护自己。
In order to protect forests, we must plant trees and stop cutting forests down.
为了保护森林，我们必须种树并且停止砍伐。
They plant trees in the desert area to keep the sand and protect the environment.
他们在沙漠地区种树来固沙和保护环境。
In the distance, I could see only the trees planted to protect the shore.
从远处望去，我只能看到用来保卫海岸的栽种的树。
We cannot just take from trees. We must do something to protect them.
我们不能只从树木那儿索取。我们必须有所作为，保护树木。
The protection of trees, that is, to protect themselves.
保护树木，就是保护自己。
Fourth, we should protect the trees and we should plant more trees.
第四，我们应保护树木，我们应该种更多的树。
Is there any law to protect the trees?
有保护树木的法律吗？
Net the fruit trees to protect them from birds.
用网盖住果树以免果树遭鸟害。
We must protect the natural woods here, and strictly forbid the cutting down of trees.
我们要保护这一带的天然林，严禁乱砍滥伐！
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。
"These big trees will protect me" he panted.
“这些大树会保护我。”他喘着气。
Net the fruit trees to protect them from birds.
把水果树罩上使之免受鸟类之害。
Keep your boots looking new and protect their shape with these high quality boot trees.
这款高性能的靴撑保持你的靴子外观像新的一样，保护靴筒的外形；
Keep your boots looking new and protect their shape with these high quality boot trees.
这款高性能的靴撑保持你的靴子外观像新的一样，保护靴筒的外形；
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