A walk in the fresh air will pep you up.
在清新空气中散散步会使你精神振奋。
U.S. forces are poised for a massive air, land, and sea assault.
美军做好了随时从空中、陆地和海上发动大规模攻击的准备。
There was a real nip in the air.
空中有一股刺骨的寒气。
Trapped in a pocket of air, they had only 40 minutes before the tide flooded the chamber.
他们被困在有一点空气的弹丸之地，再过40分钟洪水就会淹没这间屋子了。
A piercing scream split the air.
一声刺耳的尖叫划破天空。
Wind is a current of air caused by a vacuum caused by hot air rising.
风是由热空气上升产生真空而引起的空气流动。
I'm dying for a breath of fresh air.
我真想呼吸点新鲜空气。
Exclusion of air creates a vacuum in the bottle.
瓶子里的空气排除后就产生真空。
The warm damp air attracts a lot of mosquitoes.
温暖潮湿的空气招来了大量蚊子。
Ensure there is a free flow of air around the machine.
要确保机器周围空气畅通。
A rush of air on my face woke me.
脸上的一股急促的气流惊醒了我。
The study says there must be a complete overhaul of air traffic control systems.
研究称必须对航空交通管理系统进行彻底的改革。
She looked at him with a defiant air.
她用蔑视的神情望着他。
A major air-sea rescue is under way.
一项重要的海空营救行动正在进行中。
He had a scholarly air and was an accomplished linguist.
他有一种学者的风度，而且是个熟练掌握多国语言的人。
She had a purposeful air, and it became evident that this was not a casual visit.
她一副志在必得的样子，显然这不是一次随意造访。
He has a somewhat donnish air about him.
他身上有点学究气。
A hovercraft rides on a cushion of air.
气垫船悬浮在气垫上行驶。
空气为混合气体。
There's a bite in the air tonight.
今晚寒气刺骨。
The car was powered by a four cylinder air-cooled engine.
这辆汽车是由一个四缸气冷式发动机驱动的。
After a day of air and activity, you should be in the mood for a good meal.
在户外活动了一天，你应该想好好吃一顿。
I felt a current of cool air blowing in my face.
我感到一股凉气吹在脸上。
The door blew open, letting in a rush of cold air.
门被风刮开了，一股冷风疾冲进来。
Kamal was a vendor in Cairo's open-air bazaar.
卡莫尔曾是开罗露天集市的摊贩。
He caught a chill while performing at a rain-soaked open-air venue.
他在一个被雨浸湿的露天场地表演时着了风寒。
There was a slight air of dejection about her.
有一种低落的情绪缠绕着她。
The building had a general air of decrepitude and neglect.
这座建筑给人一种破旧并且无人问津的总体印象。
I took in a large gulp of air.
我吸了一大口气。
She had an affected air and a disdainful look.
她不仅做作，而且还有一副瞧不起人的样子。
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