He likes to cook in the open air.

他喜欢在外面做饭。

《牛津词典》

We sleep out under the stars, and eat our meals in the open air.

我们露宿在星空下，在户外用餐。

《柯林斯英汉双解大词典》

Do you want to go camping in the open air?

你想去户外野营吗？

youdao

Weeding,seeding and watering requires at least as much work as crops grown in the open air.

VOA: special.2009.12.22

It's going to take place in there. It's going to be a constant pressure, it might be open to the air, or even if it isn't, there might be plenty of room, and it's a liquid anyway, so the pressure isn't going to change significantly.

也许它是液体，它在这个位置,这是恒压的，它也许是连通大气的，就算不是，它也有，足够的空间，而它是液体,压强不会显著地改变。

麻省理工公开课 - 热力学与动力学课程节选

She gave a free concert in the open air, near the Lincoln memorial.

VOA: special.2009.01.25

Open air cultural performances and concerts featuring traditional Qatari sword dancing take place every weekend in the winter.

BBC: Souq Waqif, Doha��s resilient, labyrinthine market

It will be shown in the open air at Spicherer Hoehen, near the border with Germany.

BBC: Lost Lloyd George film gets showing

It is hoped that work in the open air will provide an alternative to traditional treatments.

BBC: Farm work prescribed to Norfolk and Suffolk patients