Watch to time air supply in aqualung.
用手表来计算氧气瓶中气体的供应量。
At the same time air is sucked into the inlet to replace the exhausted air.
同时，外面空气由进气口吸入代替被排出的空气。
Actually, your body is designed so that by the time air reaches your lungs, it's been warmed up and moisturized by your nasal passages, throat, and trachea.
实际上，我们的身体是有应对措施的。当空气进入肺部之前就已经被鼻腔，喉咙和气管加湿，加热。
The Air France plane lopped over four hours off the previous best time.
法国航空公司的飞机在原来最短航行时间的基础上又缩减了4个多小时。
You should spend more time out of doors in the fresh air.
你应多花点时间在户外呼吸新鲜空气。
As September has the clear sky and fresh air, it is a very good time to climb the mountain.
由于九月有晴朗的天空和新鲜的空气，这是一个很好的爬山时间。
The polluted air becomes poisonous to health, so it is the high time that we took actions to protect the environment.
被污染的空气有害健康，所以我们是时候采取行动保护环境了。
Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that expand over time and let in more outside air.
1939年以前建造的房屋每平方英尺消耗的能源比2000年以后建造的房屋多50%，这主要是由于微小的裂缝随着时间的推移而扩大，更多的外部空气进入了裂缝。
During this time when fewer natural foods are available and air temperatures are lower, extra feeding can keep a bird warm and well.
在这段时间里，自然中鸟类的食物越来越少，空气温度也越来越低，额外的喂养可以让鸟类保持温暖和健康。
If she can't curb this trait and you don't want the friendship to end, limit how long you let her go on about herself; then give yourself equal air time.
如果她不能抑制这种性格，而你不也想终结这种友谊，就限制她谈论自己的时间；然后，给自己同样长的时间发表意见。
Even the best women's teams get little air time.
甚至连最优秀的女队都没怎么被广播。
With his half brother steadying him, he began to tread the sandy footpaths of his youth, this time wearing a pair of $135 Air Jordans.
在同父异母的哥哥的搀扶下，他开始踏上少年时代的沙地，这一次他穿了一双价值135美元的飞人乔丹鞋。
Look under the car for fluid leaks. Except for condensation from a working air conditioner on a hot day, no car should ever drip anything, any time.
检查一下汽车下方有没有液体泄漏。除了汽车空调在炎热的天气下工作产生的冷凝水外，任何时候汽车都不应该滴水。
The third and final stage was to lift the entire structure into the air, by which time the hull was also supported from below.
第三个阶段，也是最后一个阶段，是把整个建筑升到空中，这时船体也在下面起支撑作用。
As feathers became larger over time, flapping flight evolved and birds finally became fully air-borne.
随着时间的推移，羽毛变得越来越大，扑翼飞行逐渐发展，鸟类最终完全可以在空中飞行。
Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air.
海龟很久以前就回到了海里，和所有返回水中的脊椎动物一样，它们呼吸着空气。
Air pollution will remain a problem for a long time, though we have done a lot to solve it.
尽管我们已经做了很多工作来解决空气污染问题，但它在很长一段时间内仍将是一个问题。
There is nothing to which we pay less attention than time and air.
我们对时间和空气的不重视超过其它任何事物。
The agent helped them devise a way to reduce travel time by taking Ryan Air between countries.
代理商帮他们设计了一种节约旅行时间的办法——在不同国家之间旅行乘坐瑞安航空。
It costs hundreds of thousands of dollars to make such an AD and buy air time, so many people immediately suspected that wealthy Republicans were behind the effort.
制作这样一部广告并购买播放时间需花费数十万美元，所以许多人马上就怀疑富有的共和党人在幕后操纵了这一切。
British air experience at that time was far greater than ours.
那时英国的空中经验远较我们为丰富。
Postcards brought the world a little closer, at a time before air travel was possible to the exotic East.
在空中旅行还不能到达异国的东方时，明信片让世界变得稍微近了一点。
If you're planning to fly on the day before Thanksgiving, be warned. Going through security may take longer than your time in the air.
如果你想在感恩节前一天乘飞机回家，你可要做好心理准备，安检的时间可能比飞行的时间还要长。
Film characters disappear into thin air, travel through time, and know how to fly.
影片里的主人公在稀薄的空气里消失，在时光中穿梭，之后就知道怎么飞了。
Film characters disappear into thin air, travel through time, and know how to fly.
影片里的主人公在稀薄的空气里消失，在时光中穿梭，之后就知道怎么飞了。
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