FAA officials helped the Chinese beef up air-traffic control designs and inspection procedures.
美国联邦航空局官员帮助中国加强空管设计和检查程序。
A solar-powered airliner is still a distant dream, but IATA knows that pushing the boundaries of technology will be necessary to help clean up air travel.
太阳能飞机依然是遥远的梦想，但IATA知道，推进科技界线必能协助清洁航空旅行。
A big shift in passenger Numbers would be more likely if airlines had to pay the same taxes that train operators do, namely value-added tax and a tax on fuel, both of which would push up air fares.
乘客数量很有可能会大幅增长，如果航空公司不得不支付和列车经营者同样的税的话，也就是增值税以及燃油税，这两者都会提升飞机票价。
Here it would reach supersonic speeds and then shift to its scramjet engine. The scramjet scoops up air and mixes it with fuel so it burns as the mixture flows through the engine at supersonic speeds.
这里它将达到超音速然后超高速冲压喷气发动机切换成工作状态，迎面气流进入发动机，与燃料混合，混合物在超音速状态流过引擎。
Philippine Air Force knew that a storm was coming and got his men up early to secure equipment at the airport.
菲律宾空军知道一场暴风雨即将来临，于是命令他的士兵早早起床，确保机场的设备安全。
As this air is warmed and picks up moisture, it becomes lighter than the air above it.
当这些空气被加热并吸收了水分，它会变得比上面的空气轻。
When the front bird moves its wings up and down, the resulting force of the air lifts the next one.
当前面的鸟上下移动它的翅膀时，产生的空气力会带动下一只鸟。
Shenwu puts up the initial investment to install a heat exchanger that preheats the air going into the furnace, slashing the client's fuel costs.
申武投资初期安装了一个热交换器，将进入炉内的空气预热，降低了客户的燃料成本。
Note how these animals sometimes walk with their tails up in the air.
注意观察这些动物有时如何翘起尾巴走路。
Kids just love being able to romp around in the fresh air without having to wrap up warm.
孩子们就是喜欢在新鲜的空气里嬉闹，无须穿得太暖和。
He signed up as a flight attendant with Korean Air.
他与大韩航空公司签了约，当机乘员。
May's warm weather caused Americans to crank up their air conditioners.
5月温暖的天气使美国人都调高了空调的力度。
She was screwing up her eyes against the onrush of air.
一阵风突然吹来，她眯起了眼睛。
Every morning we get up early, breathe the fresh air and hear the birds sing in the woods.
每天早上我们早早起床，呼吸新鲜空气，听鸟儿在树林里歌唱。
"You just think lovely wonderful thoughts," Peter explained, "and they lift you up in the air."
“你只要想一些有趣的事情，”彼得解释说，“它们就会把你带到空中。”
She never really crawled, but would scoot around with her head on the floor, bottom stuck up in the air.
她从来没有真正地爬过，但她会把她的头放在地板上，屁股翘在空中快速移动。
As we climbed up the hill, the air grew cooler and the Indian girls on the road wore shawls over their heads and shoulders.
在我们向山上爬行的过程中，空气变得凉爽起来，路上的印第安姑娘都披着披肩。
If it is displayed on such occasions, do not allow the flag to fall to the ground, but let it be carried high up in the air to form a feature of the ceremony.
如果在这种场合展示国旗，不要让国旗掉到地上，而是让它高高地悬在空中以构成仪式的特色。
In two cases, huge machines have been used to lift the buildings up to 30 centimeters into the air.
在两个案例中，巨型机器被用来将建筑物提升到30厘米高的空中。
When the air gets closer to the shore, it's slowed down by the land and starts to pile up.
当空气接近海岸时，陆地会减缓它的速度并使其在此堆积。
Mother says I've sniffed up too much fresh air for twelve years to ever get to sniffin' with cold.
妈妈说，十二年来，我吸了太多的新鲜空气，再也不会因感冒而抽鼻子了。
Sometimes it was thrown high up into the air, to crash down again the next moment harder than ever.
有时它被抛向空中，接着又再次坠落，摔得比之前还要狠。
By looking up the elements in the rings for a given year, scientists can tell what elements were in the air that year.
通过查找某一年年轮中的元素，科学家可以知道那一年空气中的元素是什么。
The cause appears to be in part greater turbulence in the urban atmosphere as hot air rises from the built-up surface.
部分原因似乎是热空气从楼宇密集的表面上升，造成城市大气的更大湍流。
The air up there is a vast potential reservoir of energy if its intermittency can be overcome.
如果能克服空气的间歇性，那么这里的空气就会是一个潜能巨大的的能量储存器。
As the tree grows, it adds a layer to its trunk taking up chemical elements from the air.
随着树木的生长，它在树干上增加了一层吸收空气中的化学元素而生成的膜。
Solar homes produce the most power on the hot sunny afternoons when everyone rushes home to turn up the air conditioner.
在炎热晴朗的下午，当每个人都赶回家开大空调时，（安装）太阳能的家庭发电量最大。
Just up the road, at Edwards Air Force Base, is the runway where nearly half of all shuttle flights touched down.
就在爱德华兹空军基地的这条路上，有一条跑道，几乎一半的航天飞机都在这里降落。
We also need to clean up spills as soon as they occur, and store food in air-tight containers.
我们还需要尽快清理溢出的液体，并将食物储存在密封的容器中。
We also need to clean up spills as soon as they occur, and store food in air-tight containers.
我们还需要尽快清理溢出的液体，并将食物储存在密封的容器中。
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