全部

1·His birdhouse tells you about the air quality.

他的鸟巢告诉你空气质量的情况。

2·The government is taking action to make air quality better.

政府正在采取行动改善空气质量。

3·How can we tell the air quality is good or bad?

我们怎样才能分辨空气质量是好是差呢？

4·It can be put on a tree around your house to test the air quality.

你可以把它放在你房子周围的树上来测试空气质量。

5·People can see a screen with information about the local air quality and how to improve it.

人们可以在屏幕上看到有关当地空气质量和如何改善空气质量的信息。

6·The chemicals on shoes can deteriorate air quality.

鞋子上的化学物质会恶化空气质量。

7·It has experienced an overall decline in air quality.

空气质量整体下降了。

8·If you want to attack urban air quality, this is probably moving in the wrong direction.

如果你想要打击城市空气质量，这可能是一个错误的方向。

9·Our air quality now suffers from the effects of pollutants emitted directly from our cars.

我们的空气质量现在受到了汽车直接排放的污染物的影响。

10·If more people join in the trend to ride bicycles to work then the air quality will be improved notably.

如果更多的人加入骑自行车上班的行列，那么空气质量将明显改善。