They help keep the air clean.

它们能帮助保持空气的清新。

Breathe life! Clean air is our right!

生命呼吸！我们有权呼吸到洁净的空气！

Trees can keep the air clean. They can cool the air too.

树木可以使空气清洁，它们也可以使空气凉爽。

Of course, Copenhagen has pretty clean air, even by European standards.

当然，即使按照欧洲标准，哥本哈根空气可是相当好啊。

They clean the air around us.

它们清洁我们周围的空气。

Clean Our Air, Revive Our Oceans.

清洁空气奖，重振海洋奖。

We can keep the air clean in many different ways.

我们可以用许多种不同的方法来保持空气清洁。

And algae isn't just good for cleaning the air.

藻类不仅有利于净化空气。

We should plant more trees and keep the air clean.

我们应该多种树，保持空气的洁净。

These resources include clean water, food, shelter, and clean air.

资源包括清洁水资源、食品、居所以及清洁空气。

In space, the crew uses special canisters to clean the air.

在太空中，宇航员使用特殊的气罐来净化空气。

Good idea. Trees reduce dust and help keep the air clean.

好主意。树木可以减少尘土，并帮助保持空气清新。

For humans to live, we need clean air and clean water.

人类要生存，就需要干净的空气和干净的水。

The right to breathe clean air was a fundamental right, it said.

声明称，“呼吸清洁空气是一项基本权利。”

We all want clean air, clean spaces and healthy environment and ecosystem.

我们都想要干净的空气，干净的空间，健康的环境和生态系统。

For a capital city, Canberra, Australia ranked as having the cleanest air.

澳大利亚首都堪培拉被评为空气最干净的城市。

We depend on Mother Earth for clean air, and water, and food, and everything.

地球母亲为我们提供清洁的空气、水、食物和一切。

General Motors is abandoning a legal challenge to California's clean air standards.? ?

通用汽车公司放弃了对加州清洁空气标准的法律挑战？

Where there were trees that cleaned our air are now factories that poison it.

曾经为我们净化空气的森林，如今成为了一座座污染大气的工厂。

The cleaner air was a silver lining to the lockdowns of the coronavirus pandemic.

更干净的空气是冠状病毒封闭期间的一缕阳光。