Among other weaknesses, the measures cities must employ when left to tackle dirty air on their own are politically contentious, and therefore vulnerable.

除其他弱点外，城市在独自应对空气污染时而必须采取的措施存在政治上的争议，因此也很易受到攻击。

A rush of air on my face woke me.

脸上的一股急促的气流惊醒了我。

The fight will be televised free to air on the Fox Network.

这场对决将在福克斯电视网免费播出。

They stood in the cold night air on the dark platform.

他们在寒冷的夜晚之中，伫立在漆黑的露台上。

These clothes should be put out to air on a sunny day.

这些衣服好天儿要拿出去晒晒。

Q: Is the air on airplanes safe?

问：飞机上的空气安全吗？

The final two contests will air on ESPN.

最后两场比赛将会由espn直播。

I breathed the fresh air on the mountain and sometimes I went swimming in the river.

我在山上呼吸新鲜的空气，有时在河里游泳。

After a four month break, the first episode after the hiatus is slated to air on April 24.

之后的第一集将于4月24日播出。

For example, that a fat man in a red suit flies through the air on a sleigh pulled by reindeer.

比如说，一个穿着红色外套的胖子坐在驯鹿拉着的雪橇上划过天空。

The window faced west, so I would climb up to watch sunsets, and feel fresh air on my face.

窗子是朝西的，因此我会爬上去看日落，感受吹到脸上的新鲜空气。

I happened to be taking a breath of fresh air on my terrace while turning this over in my mind.

思考这个问题的时候，我正在露台呼吸新鲜空气。

Wednesday's show, which will air on September 8, marked the start of Winfrey's 23rd season.

这期节目将于本月8日播出，也是奥普拉脱口秀第23季的第一集。

Autumn was already in the air on the late afternoon when she decided to fish near the island.

当她决定在岛上钓鱼时，午后的天空正散发着秋天的味道，可爱的小船咕噜咕噜地穿过小河。

As I write this, I know that a television special made with his permission is about to air on HBO.

当我写下这篇文章的同时，我知道在他的许可下，一期特别节目将要在HBO播放。

champions in a practice match ahead of a formal competition that will air on TV in mid-February.

的两个常胜冠军，这是该系统的首次公开亮相，正式比赛将于2月中旬进行电视转播。

It's a source of emergency air on planes, submarines, and spacecraft that releases oxygen when heated.

这是在飞机、潜艇及宇宙飞船里，应急空气的来源，它在被加热时释放氧气。

Costa reportedly confessed that at least one of the murders had gone to air on his employer's TV show.

据报道，Costa供认，至少一起谋杀罪在他的雇主的电视节目上被播报。

It is promoting the service heavily, occasionally putting popular programmes online before they air on cable.

它正在不遗余力地推广该项服务，不间断地把人气节目在电视播出前放到网上。

He is currently the host of Conan, a late-night talk show that air on the American cable television station TBS.

目前他担任美国有线电视台TBS的夜间脱口秀《康纳》（Conan）的主持人。

There were many things to see: elephants, lions, men who flew through the air on swinging bars and funny men called clowns.

有许多事物见到: 象，狮子,飞过在摇摆的酒吧上的空气和好笑的男人男人叫做了小丑.

It's nice demo-ware and I can see people using that for getting a quick ad-hoc server deployment on the air on short notice.

这是很棒的展示软件，我能预见人们使用它在很快的时间内作出快速的特定的服务器部署。

"Looks don't matter anymore," the 23-year-old hotel heiress-model-actress said in the interview, set to air on September 22nd.

“外表已经不再重要了”，这位23岁的希尔顿酒店集团的女继承人、模特兼演员在9月22日播出的这次采访中说。

Well, then, the time's not distant when I'm going to appear out of thin air on your beach, and show you a thing or two about flying!

那么，好，过不多久，我就要飞出稀薄的空气，出现在你的沙滩上，露一两手飞行本领给你看看！

The rotation of the pole caused the flag to move back and forth as if rippling in the breeze even though there's no air on the moon.

旗杆的转动使得旗帜前后抖动，看上去好像是被风吹动的，即使月球上没有空气。

The first salvo in GM's Reinvention campaign, a 60-second TV spot that hit the air on June 2, is remarkable for its unusual tone.

通用公司重建活动的第一声鸣响因为它不寻常的语调而不同凡响，这是一个60秒的电视插播广告，于6月2日播出。