英 [ˌəʊpən ˈeə(r)]
户外：指在室外、没有遮盖的地方。
where the air is unconfined
同义词： outdoors / out-of-doors / open
in the open air
同义词： alfresco / open-air(a)
激光化学气相沉积
开敞空间
户外
露天地方
户外
“露天地方”(open air) 指符合下述条件的场地─
... 主观性指标 subjective guideline 户外 open air 定量研究 quantitative estimate ...
... open lamp 明火灯 open air 露天的 open array 宽距堆货行列<堆货行列之间的竖向通气道大于6英寸 ...
... open air 户外的 open air 开敞空间 open anchorage 开敞锚地 ...
露天，户外
He likes to cook in the open air.
他喜欢在外面做饭。
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。
We will give an open air concert in our town.
我们将在镇上举行一场露天音乐会。
Weeding,seeding and watering requires at least as much work as crops grown in the open air.
VOA : special.2009.12.22
She gave a free concert in the open air, near the Lincoln memorial.
VOA : special.2009.01.25
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。
热力学与动力学课程节选 : 麻省理工公开课
The World War Two Memorial stands in the open air.
VOA : special.2009.05.25
Open air cultural performances and concerts featuring traditional Qatari sword dancing take place every weekend in the winter.
After 30 years of ideological mobilization, Iranians appear exhausted and long for normalcy and open air.
It will be shown in the open air at Spicherer Hoehen, near the border with Germany.