He looked down at her radiantly, his whole clean simple heart in his eyes.

可是他却笑容满面地俯视着她，仿佛他那颗洁净而单纯的心已完整地反映在他的眼光中。

Breathe life! Clean air is our right!

生命呼吸！我们有权呼吸到洁净的空气！

Arriving at a strange-looking house, he showed me into a large, bright clean room.

到了一幢看上去很奇怪的房子里，他把我带到一个明亮而洁净的大房间。

It could reduce the amount of diseases that people get from bad water.

这有助于减少因不洁净水源而感染的疾病。

This morning they are taking scuba lessons. They breathe in the cleansing ocean air.

今天上她们正要上潜水课。她们呼吸着海边洁净的空气。

In some countries, there is a lot of clean water.

在一些国家，有许多洁净的水资源。

In other places, clean water is hard to find. This is a big problem.

但在其他一些地方，洁净的水资源很难找到。这是一个大问题。

Really, so he always wanted to be super clean.

真的吗，所以他一直希超级洁净的状态。

The pristine, newly cleaned cathedral may take some visitors by surprise.

清扫干净后洁净如新的大教堂可能会让一些游客大吃一惊。

The soft, clean air made me feel better than I had done for weeks.

这儿轻柔、洁净的空气令我的感觉好了许多，走出了这几个星期以来的阴影。

What can we do to keep our city clean?

我们能做些什么来城市的洁净呢？

Water's clean, as you can see, the staff is clean.

水是干净的，如你所见，工作人员也是洁净的。

We're gonna be clean but they're not and it costs a lot of money.

我们将有洁净的空气，他们却没有。而这要耗费巨资。

We should plant more trees and keep the air clean.

我们应该多种树，空气的洁净。

And now, they don't have clean drinking water.

到现在, 他们没有洁净的饮用水。

We’re gonna be clean but they’re not and it costs a lot of money.

我们将有洁净的空气，他们却没有。而这要耗费巨资。

But this is a decidedly low-tech way to test for clean water.

但这种测量洁净水的方法无疑是一种低技术含量的测试法。

With clean water a concern, the government is advising people to drink only bottled water.

考虑到洁净水的问题，政府建议人们只喝瓶装水。

Frank walked along the neat gravel paths, and looked at everything, but touched nothing that he saw.

弗兰克沿着洁净的碎石路小心地前行，他四处张，小心翼翼地不敢碰触任何东西。

It will track their pollution levels and label cities green for cleaner air and red for dirtier air.

会对这些城市的污染水平进行跟踪监测，洁净空气的城市会被标记为绿色，而污染严重的城市则标为红色。