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排气；出气；排气口
1、air───vt.使通风，晾干；夸耀；n.空气，大气；天空；样子；曲调；vi.通风
2、air defence───防空；空防
3、air crash───[航]飞机失事
4、air waybill───[航]空运单
5、out of thin air───无中生有地；凭空捏造；无中生有， 突然出现; 凭空
6、air service───空军；空中勤务；n.空军，空中勤务; 航空运输
7、air gas air───空气气体空气
8、air water───气水
9、air carrier───航空公司，航（空）线，航空运输；航空运输；航空公司；航线；空运机
1、The tadpoles produce the sound by pushing air out of their lungs.───蝌蚪通过将空气推出肺部来发出声音。
2、Computer network security is not the basis of commercial transaction security on like castles in the air, out of the question.───没有计算机网络安全作为基础，商务交易安全就犹如空中楼阁，无从谈起。
3、Breathe out through pursed lips as if you were whistling. Feel the hand on your belly go in, and use it to push all the air out.───从闭合嘴唇中呼气，就好像在吹口哨。感觉那只在腹部上的手回落，用这只手将所有空气推出。
4、There is no harder trick in the world of finance than to let the air out of a bubble gently.───在金融领域，没有比轻轻挤出泡沫里的空气更困难的事情了。
5、The pump sucks air out through the valve.───气泵通过阀门把空气抽出去。
6、If connections have been disconnected, reconnect and carefully remove air out of the system. Hoses, pipes and wires must be tension free.───如果连接已拆开，重新连接并且小心地排放XiTong内的空气。确保软管、管子和管线没有张力。
7、They keep the harmful air out.───它们把有害的空气挡在外面。
8、Remove all bedding and let the mattress air out for a few hours. If possible, haul it outside for the day to get fresh air.───将所有铺盖拿走，让床垫在空气中暴露几个小时的时间。如果可能的话，白天把床垫拖到外面接触新鲜空气。
9、Breathe out completely as you silently count from 1 to 8. Try to get all the air out of your lungs by the time you count to 8.───完全呼气，同时从1默数到8。在数到8的时候，将肺部所有空气排出。