You don't have to pay high prices for air travel anymore.

你不必再为航空旅行支付高昂的费用了。

youdao

He surfaced, gasping for air.

他浮出了水面，大口喘着气。

《柯林斯英汉双解大词典》

She came up gulping for air.

她气喘吁吁地走上前来。

《牛津词典》

When his head came out of the water for air, he saw that he was farther away from the soldiers.

VOA: special.2011.05.28

What was neat about it is before that time, the predominant species to use for air conditioning or refrigeration was ammonia.

在这之前是很整洁的，之前最主要的用于空调或者冰箱的,物质是氨。

麻省理工公开课 - 固态化学导论课程节选

dT/dp is mu JT. So for a real gas like air, this is a positive number. It's not zero.

所以对于像空气这样的真实气体，这是一个正数，不等于零。

麻省理工公开课 - 热力学与动力学课程节选

Before long, we saw another spout, this time a humpback, as it came up for air.

BBC: A wild world off California's coast

The UK remains the only country to operate a one-bag rule for air passengers.

BBC: Crowds at Heathrow Airport

The foreign victims, Western and Afghan officials said, worked for Air Charter Solutions Inc.

WSJ: Kabul Attack Sparked by Video Kills 12