in the open air

基本解釋

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.
我通常會告訴他們：“不是的?！?人群是可以移動的，因此就會避免接觸到過濃的煙氣，而且煙氣在戶外很快就能擴散開。
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.
坐在戶外撐著遮陽傘的木椅上，和新認(rèn)識的朋友一邊喝茶，一邊談著自己小小的生活，或許也是一種愜意。
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.
做車的人做起工來，總是在露天下，院子里，只有在好東家的家里才在棚子里；但是從不會在有門窗的車間里，因為地方要得多，你們懂吧。

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.
也許它是液體，它在這個位置,這是恒壓的，它也許是連通大氣的，就算不是，它也有，足夠的空間，而它是液體,壓強不會顯著地改變。
麻省理工公開課 - 熱力學(xué)與動力學(xué)課程節(jié)選
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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