in the open air

基本解释

My answer has always been no: not only can people move around and thus avoid intense exposure, but smoke quickly disperses in the open air.
我通常会告诉他们：“不是的。” 人群是可以移动的，因此就会避免接触到过浓的烟气，而且烟气在户外很快就能扩散开。
Perhaps, you will choose to sit on a wooden chair under a parasol in the open air and enjoy a chat with a new-found friend over a cup of tea.
坐在户外撑着遮阳伞的木椅上，和新认识的朋友一边喝茶，一边谈着自己小小的生活，或许也是一种惬意。
In the wheelwright's trade one works always in the open air, in courtyards, under sheds when the masters are good, never in closed workshops, because space is required, you see.
做车的人做起工来，总是在露天下，院子里，只有在好东家的家里才在棚子里；但是从不会在有门窗的车间里，因为地方要得多，你们懂吧。

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

Speaking without a permit, in the open air, is another matter: Mr Chee has been prosecuted for that.
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