The smell of the vinegar used to cool his mother's brow floated in the heavy air.

滞重的空气里飘浮着醋味，那是给母亲的额头做冷敷用的。

youdao

It just happens to be that the ash from this volcano is going over a very populated area with a lot of heavy air travel.

但是碰巧这个火山喷发的灰尘正在经过一片空运繁忙的区域。

youdao

Here refugees stream through the wartime capital of Chongqing after a heavy air-raid Nationalist government at Nanjing in 1940.

一大批难民在1940年的南京大空难后来到了重庆。

youdao

They were suspended from ropes as they used heavy air-powered hammers to break any loose rock away from the face of the canyon walls.

VOA: special.2009.08.12

They were really gray and there's this heavy feeling in the air,

黑压压的一片，空气中有种厚重的感觉，

I wonder if 实战 - SpeakingMax英语口语达人

Other birds have spread quickly across areas with heavy air traffic.

VOA: special.2009.04.01

Israel is taking a very hard line against Hamas, including heavy air strikes in the Gaza Strip over the weekend and the possibility of moving ground troops into Gaza.

FORBES: A.M. Kitco Metals Roundup: Comex Gold Up on Bullish Outside Markets, Improved Risk Appetite

Pharmaceutical companies are heavy users of air freight, but said they had enough stocks to avoid any problems in the short term.

BBC: An empty checkout desk at Belfast International airport

Many of the barracks were destroyed by the retreating Nazis, but some still stand, thick with time-trodden dust and heavy with eerie air.

BBC: Short trips, worlds away from Krak��w