This beneficial environment also have better oxygen cleaner air.

这种有益的环境也有好的氧气，清洁的空气。

Thirty-year-old Indian Vidyat Mohan is hoping to bring back cleaner air through sustainable energy to Delhi and its neighborhood.

今30岁的印度Vidyat Mohan 通过可再生能源，让德里及其附近地区的空气重新变得清洁。

But new technology may help reduce these patterns, rendering our roads safer, our daily commutes more efficient, and our air cleaner.

但是新型技术 可以帮助减缓这些状况，让我们的道路加安全、日常通勤加有效、 空气加清洁。

However, it will keep the air cleaner in the near future.

但是，它将在不久的将来保持空气清洁。

That education of knowing the benefit of trees and cooling down an environment, how it makes the air cleaner.

那种知道树木的好处以及如何使环境降温、空气变干净的教。

The piano gets cleaned between lessons. The truck is equipped with an air cleaner and lighting, which means the engine has to be running.

每次课程结束后都会对钢琴进行消毒。卡车上配备了空气净化器和照明设备，这意味着发动机必须处于运行状态。

Do you think that by staying in your office you are breathing cleaner, safer air than when you go outside for lunch or are on the way back home from work?

你是否以为待在办公室内，你所呼吸的空气就比你外出吃午餐或下班回家路上来得干净、安全呢？

Far fewer vehicles in certain parts, it's much quieter, much cleaner air because there are less vehicles and there are people choosing to use walking for journeys or cycling And different types of bikes.

在某些区域， 车辆大幅减少， 城市变得为宁静，空气也加清新， 因为车辆减少了， 们选择步行或骑自行车出行， 使用各种不同类型的自行车。 当你走过一个自行车停放处时， 你会看到货运自行车、三轮车、电动三轮车等， 这些在全球其他地方已经非常流行且实用。