open air

基本解释

There are also wild bird species and waterfowl, plus the Open Air Theatre.
这里还有野生鸟类和水禽，再加上一个露天剧场。
The building’s use of glass and open air ensures a sun-drenched interior that connects children to the outdoors while they study in the interior.
这座建筑玻璃和露天环境的搭配使用确保了阳光充足的室内环境，好像把孩子连接到了户外当他们在室内学习的时候。
What began as an assemblage of 1,000 empty beer cartons pulled together by residents in East Germany has now evolved into an incredible open air public library.
东德新建了一个露天图书馆，让人难以置信的是，它竟然是东德居民用1，000个空啤酒纸箱齐心协力建造而成的。

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