We have a moral obligation to protect the environment.
我们有道义责任保护环境。
I think we must do something to protect the environment.
我认为我们必须做些什么来保护环境。
Recycling is one way to protect the environment; reusing is another.
骑自行车是一种保护环境的方法，再利用又是另外一种办法。
Everyone must assume his share of the responsibility to protect the environment.
每个人都必须承担起保护环境的责任。
My position on this problem is that we should do whatever we can to protect the environment.
我对于这个问题的观点是我们应该竭尽所能去保护环境。
What should we do to protect the environment?
我们应该做些什么来保护环境？
It is time to protect the environment of the island.
是时候保护这个岛的环境了。
Would you like to join me to protect the environment?
你愿意和我一起保护环境吗？
They think it is their duty to protect the environment.
他们认为保护环境是他们的责任。
They all help spread the ways to protect the environment.
他们都帮助传播保护环境的方法。
As travelers, we should try our best to protect the environment.
作为旅行者，我们应该尽力保护环境。
The sky is much bluer because we have taken action to protect the environment.
天空变得更蓝了，因为我们采取了行动来保护环境。
They are planning to set up an organization to protect the environment these days.
这些天他们正计划建立一个组织来保护环境。
In order to protect the environment, many people choose to go to work by subway.
为了保护环境，许多人选择乘地铁去上班。
He has learned how to deal with small dangers and how to protect the environment.
他已经学会了如何处理小的危险，如何保护环境。
An ecologist once asked a boy what he thought it meant to protect the environment.
一位生态学家曾经问一个男孩，他认为保护环境意味着什么。
The public should raise environmental awareness and realize it is everyone's duty to protect the environment.
公众应该提高环境意识，认识到保护环境是每个人的责任。
It will be even worse if we don't take action to protect the environment around us.
如果我们不采取行动保护我们周围的环境，情况会更糟。
In daily life, we can use cloth bags instead of plastic bags to protect the environment.
在日常生活中，我们可以用布袋代替塑料袋来保护环境。
"Climate strike" refers to people leaving work or school to call for more action to protect the environment.
“气候罢工”指的是人们离开工作或学校，呼吁人们采取更多行动保护环境。
At the same time, I also hope all of us should try our best to protect the environment around us.
同时，我也希望我们所有人都应该尽力保护我们周围的环境。
It would help to protect the environment.
这有助于保护环境。
The money from tourism is used to protect the environment.
旅游业赚的钱用来保护环境。
If we don't act to protect the environment, we will live to regret it.
如果我们现在不采取行动保护环境，我们会遗憾一辈子。
It's time we got rid of these bad habits and take action to protect the environment.
我们是时候改掉这些坏习惯并且行动起来保护环境了。
It is imperative that governments around the world enact laws to protect the environment at home and abroad.
世界各国政府必须制定法律来保护国内外的环境。
It is imperative that governments around the world should enact laws to protect the environment both at home and abroad.
世界各国政府必须制定法律来保护国内外环境。
With our continuous efforts, I believe that we can overcome all the difficulties on the road to protect the environment.
通过不懈努力，我相信我们是可以克服环保道路上所有的困难的。
So I think we must do something to protect the environment.
因此我们必须做些事情来保护我们的环境。
But kind people want to protect the environment and make the air clean.
但是善良人们想要保卫环境和使空气变得干净。
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