我们每个人都有责任保护树木。

Each of us has a responsibility to protect trees.

学校组织了一次活动来保护树木。

The school organized an event to protect trees.

政府出台了新政策来保护树木。

The government introduced new policies to protect trees.

我们应该保护树木，因为它们对环境很重要。

We should protect trees because they are important for the environment.

为了保护树木, 我们不应该再为了制作一次性筷子而砍倒树木.

In order to protect trees, we should not cut down trees for throwaway chopsticks.

我们必须保护树木，不要购买象牙制品。

We must save the trees and not buy things made of ivory.

保护树木可以帮助减少空气污染。

Protecting trees can help reduce air pollution.

植完树之后，我们立了一个标示牌，提醒人们保护树木。

After getting the work done, we put up a board which reminds people to protect the trees.

但如果能够给保护树木提供足够的资金,Maggi先生的观念可能会改变.

But if money to preserve trees were on the table his views might change.

有必要保护树木，否则不久将会没有森林了。 dictate v。口授，口述；

There is a need for the conservation of trees, or there will soon be no forests. ;