"Heavier than air flying machines are impossible".
“重于空气的飞行机是不可能的”。
GM CEO Jack Smith was already in the air flying from Detroit to Beijing before the Chinese would confirm the location of the signing ceremony.
通用汽车首席执行官杰克•史密斯已经登上了底特律飞往北京的飞机，但中方还未确定举行签约仪式的地点。
Though we often hear about air crashes and serious casual deeds, flying is one of the safest ways to travel.
尽管我们经常听到空中撞机和严重伤亡事故，飞行是最安全的旅行方式之一。
Brown leaves were tumbling, flying wildly in the frozen air and reburying her.
棕色的落叶，在冰冷的空中翻滚、飞舞，掩埋她。
Eyewitnesses spoke of rocks and shards of glass flying in the air.
目击者们提到了在空中飞舞的石子和玻璃碎片。
The video shows him launching the helicopter into the air and flying just far enough to successfully remove the loose tooth.
视频显示，他将直升机发射到空中并飞行了足够远的距离，才成功地移除了松动的牙齿。
Toad found himself flying through the air with the strong upward rush and delicate curve of a swallow.
托德发现自己以强劲向上的冲力飞上了天空，弧线像燕子优美。
The two children were already flying down the Alp, like birds soaring through the air.
两个孩子已经从着高山牧场往下猛冲了，就像鸟儿在空中翱翔一样。
It can follow you, flying or staying in mid-air.
它可以在你的指挥下，飞行或停留在半空中。
But unlike an aircraft, when a helicopter is flying forwards the air passing over its rotor blades does so at different speeds.
但是与飞机不同的地方在于，当直升机向前飞行时，空气是以不同的速度流过旋转的叶片的。
Airplanes flying faster than sound create a cone of pressurized air molecules that extends to the ground, as NASA explains.
据NASA解释，飞机在超音速飞行时会产生延伸到地面的加压空气分子锥。
But when flying forward the air passing over the blade that is advancing to the front of the helicopter (and so into oncoming air) provides more lift than the one that is retreating to the back.
但是当向前飞行时，它的旋翼将转向直升飞机的前方(如此一来，就变成朝向迎面而来的空气)，经过叶片上方的气流将比经过叶片背面的气流产生更大的升力。
South Korean pilots, averaging six or seven hours a week in the air, say their North Korean counterparts, flying older model MiGs, are lucky to fly once or twice a month.
南韩飞行员每周平均有六到七小时上天的机会，但他们的北方同行只能驾驶古老的米格战机，一个月或许才能有幸飞上一两次。
Tiny packets of smoke released near a flying locust showed air swirls similar to swirls predicted by the model.
在飞行蝗虫周围释放的小范围烟雾表明，实际气旋类似于模型预言的气旋。
I'm going by air. I like flying.
我坐飞机去。我喜欢坐飞机。
Image: patterns of air movement caused by a flying locust (middle and right columns) are similar to air patterns predicted by a computer simulation (left column).
图片说明：飞行蝗虫引起的空气流动模式(中间一列和右面一列)与计算机仿真预言的空气模式(左面一列)是相似的。
The United States pledged not to place any U.S. ground troops in Libya and played a supporting role in much of the air campaign, flying drones that provide surveillance video.
美国保证不会在利比亚境内安置任何美国陆军，并在空军作战时起支援作用，飞机的嗡嗡声提供了监视录像。
An air France airliner flying from Rio DE Janeiro to Paris crashed into the Atlantic, with the loss of all 228 people on board.
一架从里约热内卢飞往巴黎的发行飞机坠落大西洋，机上载有228名乘客。
This, the researchers believe, is caused by the surface of the water smoothing out a vortex of air coming off the flying fish and reducing drag.
研究者相信，这源于水面平滑了飞鱼迎面的风涡，降低了阻力。
She threw up into a plastic cup and, as we landed, sent it flying into the air across the cabin, spraying four rows behind her.
飞机要着陆的时候，她吐到了一只塑料杯子里，并抛出了驾驶室，弄脏了她身后的4排座位。
Two different manufacturers unveiled supersonic jets at this year's Paris Air Show, eight years after the Concorde stopped flying.
在协和飞机停飞后8年，两个不同的生产厂家推出了超音速飞机在今年的巴黎航空展上。
An Air France Airbus A330-200 flying to France from Brazil went down in the Atlantic Ocean, killing all 228 people on board, on 31 May.
5月31日，法航从巴西飞往法国的A330- 200客机坠入大西洋，机上228人全部遇难。
The pilots lost contact with air traffic controllers while flying across an area of the Atlantic Ocean known for constant bands of severe turbulence.
当飞机经过大西洋海域上空某处经常出现成片剧烈涡流的区域时，与空中交通控制员失去了联系。
With the model in hand, Thomas and his team could predict the shapes of the air currents around the flying locusts.
手中有了模型，托马斯和他的研究团队得以推算飞行蝗虫周围气流的形态。
"First I saw a piece of something flying through the air. Then I saw the helicopter going down into the water, " she said, adding that the crowd in the park seemed too stunned to react.
她说：“我先是看到一片什么东西从空中飞过，然后我看到那架直升机扎进水中”，她还说公园里的人们几乎都惊呆了，反应不过来。”
Soaring through the air these creatures are often mistaken for flying hamsters or bats with tails.
这些滑翔空中的小生灵常被误认为是会飞的仓鼠，或是长了尾巴的蝙蝠。
Finally I jumped into the air and did some flying, and for some reason I saw a tree that seemed unusually realistic looking, so I flew in for a closer look.
最后，我跃上空中飞了起来，而出于某种原因我看到了一棵树，它看起来有着不寻常的真实感，于是我飞到近前仔细瞧。
The flowers on her grave stiff in frost. Brown leaves tumbling, flying wildly in the frozen air, reburying her.
坟上的花被霜雪冻得僵硬，褐色的树叶在冰冷的空气中狂乱地翻滚着，飞舞着，再一次将她埋葬。
The flowers on her grave stiff in frost. Brown leaves tumbling, flying wildly in the frozen air, reburying her.
坟上的花被霜雪冻得僵硬，褐色的树叶在冰冷的空气中狂乱地翻滚着，飞舞着，再一次将她埋葬。
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