Plants keep our air and water clean.
植物能保持空气清新和水源清洁。
Now, think about what made the water clean.
现在，想想是什么让水变得干净了。
He swims to teach people about the importance of keeping water clean.
他游泳是为了教导人们保持水清洁的重要性。
They feed on tiny things in sea water and help to keep the water clean in the process.
它们以海水中的微小物体为食，并在这个过程中帮助保持海水的清洁。
Then a special factory makes the water clean.
然后一家特别的工厂使水干净。
We must keep sea water clean and stop polluting it.
我们必须有保持海水干净，停止污染。
Keep the water clean. Also they make the tank look much prettier.
可保持水的清洁，其次，它们还可以使水缸看起来漂亮得多。
He said naturally growing bacteria may have helped keep the water clean enough to sustain life.
他说，也许是水池里自然生长的细菌帮助保持池水清洁维持了金鱼的生命。
In one room, a team wielding erasers, brushes and purified water clean and scan 39, 000 yellowing medical records written on everything from card stock to toilet paper.
在其中一个房间里，一组人使用板擦、刷子和纯净水，清洁并扫描39000张泛黄的病历卡，这些病例书写在从卡纸到厕纸在内的所有东西上。
Clean water is a precious commodity in that part of the world.
在世界的那个地方，洁净的水是宝贵的东西。
We take having an endless supply of clean water for granted.
我们想当然地认为洁净水的供应无穷无尽而不予以珍惜。
That means keeping the land, water and air clean.
这意味着要保持土地、水和空气的清洁。
The clean water and green mountains are our treasures.
清洁的水和绿色的山是我们的财富。
In some places, some people even have no clean water to drink.
在一些地方，有些人甚至没有干净的水喝。
On no account can we take having an endless supply of clean water for granted.
我们绝不应该想当然地认为洁净水是无穷无尽的而不予以珍惜。
Keep the blister clean with soap and water.
用肥皂和水使水疱保持清洁。
When Canadian teenager Ryan was six years old, his teacher told him that in many parts of Africa, there was no clean water.
当加拿大少年瑞安六岁的时候，他的老师告诉他，在非洲的许多地方没有干净的水。
The water in the ditch is not very clean.
沟里的水不很清洁。
However, many people in Asia and Africa don't have enough clean water to use.
然而，亚洲和非洲的许多人没有足够的清洁用水。
"They are looking forward to the clean water of their rivers," officials say.
“他们渴望有干净的河水。”官员们说。
They face a desperate shortage of clean water.
他们面临无污染水源的严重短缺。
Clean skin means plenty of lather followed by a rinse with water.
清洁的皮肤意味着用大量的皂沫清洗，然后用水冲洗。
She swilled the glasses with clean water.
她用清水涮了杯子。
They may have access to drinking water but not clean, safe drinking water.
他们或许能获得饮用水，但不是干净、安全的饮用水。
People suck up clean water to make products.
人们抽取干净的水来制造产品。
Lots of people both in Asia and Africa don't have enough clean water to use, do they?
亚洲和非洲的很多人都没有足够使用的净水，是吗？
There was also passage of the Clean Water Act and the Clean Air Act was strengthened.
《清洁水法》也通过了，并且《清洁空气法》也得到了支持。
It's a little hot, but the air is fresh and the water is clean.
有点热，但是空气新鲜，水很干净。
They have to wash their faces with clean water.
他们必须用干净的水洗脸。
They have to wash their faces with clean water.
他们必须用干净的水洗脸。
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