Pilots found them most useful while flying.
飞行员们发现它们在飞行时最有用。
Few people expect luxury while flying, but these days, even the basics seem to be in bad shape.
很少有人希望在飞行时体验奢华，但如今，即使是最基本的东西似乎也不太好。
Birds can no longer be killed while flying away.
鸟类在飞走时不再能杀死了。
Most bats are insect eaters that catch their meals while flying.
大多数的蝙蝠吃昆虫，在飞行中捕食。
While flying over the Channale, the pilot saw what he thought to be a meteorite.
这飞行员飞过英吉利海峡时，他看到的他认为是一颗陨石星。
One Canadian woman got a baby. That she wasn't expecting. While flying to Japan.
加拿大一名妇女生下了孩子，但她却不知自己什么时候怀孕了。而且是在飞往日本的航班上生产的。
The jet disappeared from radar screens while flying from Rio de Janeiro to Paris.
该飞机由里约热内卢飞往巴黎途中从雷达显示屏上失踪。
The result: the same type of edema many people experience while flying or women experience when pregnant.
导致后果：许多人都经历过了的当飞行或妇女怀孕时一样类型的水肿。
While flying, it stretches its wings to the edge of the heaven, just like a huge cloud obscuring the sky.
牠振翅高飞时，双翼直垂天际，就如同乌云，将苍天都遮住了。
MailOnline reader Mark Rees took this amazing picture of the English Channel while flying from Southampton to Brest.
《每日邮报在线》读者马克·里斯搭乘飞机从南安普敦飞往布雷斯特，在英吉利海峡上空拍下了这张漂亮的照片。
Swallow flew back from the south, while flying side of the cheerful cried, as if to congratulate the arrival of spring.
燕子从南方飞回来了，一边飞一边欢快的叫着，仿佛在祝贺春天的来临。
McCain and Obama have been rehearsing questions and answers with members of their campaign teams while flying about the country.
麦凯恩和奥巴马在环游全国的旅途中，已经和各自竞选阵营的成员排演过辩论问答。
This week the theme is clouds, and we begin with a photograph sent in by Baldev Sahota that was taken while flying over the Sahara desert.
本周主题是云，我们推荐的首张图片是Baldev Sahota在飞越撒哈拉沙漠时拍摄到的。
A man trying to see a single atom would be somewhat like a man trying to see a single drop of water in the ocean while flying many miles above it.
如果一个人试图看见单个的原子，他就象是翱翔于茫茫大海之上许多英国的高空而试图看见大海中的一滴水那样。
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。
If they lose power while flying, they can autorotate down and land without sustaining any damage due to their flexible structure that deflects upon impact.
如果在飞行中它们失去了能量，它们可以自旋下降并着陆而无需承受任何伤害，因为它们弹性构造可以使伤害转向。
The Navy is looking for a twin-engined helicopter to improve survivability while flying over maritime areas, and wants fully integrated advanced avionics.
海军官员说，印度海军正在寻找一种双引擎直升机，以提高其飞越海域的生存能力，并希望飞机能完全集成先进的航空电子设备。
The two pilots undoubtedly became disoriented while flying over the prevalent fog of the area and their plight was compounded by their inability to communicate.
这两名飞行员毫无疑问地在飞越该地区常有的浓雾时失去了方向感，同时无法通讯的困境进一步给他们增加了困难。
One moonless night, while flying a routine training mission over the Pacific, I wondered what the sky would look like from 84,000 feet if the cockpit lighting were dark.
一个看不到月亮的夜晚，我们在太平洋上空执行一次常规训练。我当时突发奇想：如果把舱内灯光调暗的话，夜空会是什么样呢？
Speaking to reporters while flying to Kabul, the first lady said she hoped her visit would bring awareness to the country's continuing need for international assistance.
她在飞往喀布尔的途中对记者们说，她希望此行可以让人们更加了解阿富汗对国际援助的不断需求。
Rescue workers in the Republic of Congo have found the wreckage of a plane that disappeared on Saturday while flying Australian mining company executives to an iron ore project.
周六，搭载澳大利亚矿业公司高层前往某铁矿的飞机失踪，刚果共和国搜救人员现已发现飞机的残骸。
For a long time, the only regular visitors are flocks of sea gulls from east sea and migrating birds who glance at the crowd below and the rapidly changing city while flying above.
很久以来，只有从东面大海上飞来的海鸥，和每年迁徙的候鸟经过这里时，才能顺带看一眼底下的人群，和不断变化的城市。
The Boeing 737-300 in question was only 15 years old when its skin peeled open along a riveted lap-joint while flying above 34,000 feet (just over 10,000 metres) with 118 passengers on board.
正在讨论的波音737-300型飞机只用了15年。当其外壳沿敲平的上端搭接接头剥落开来时，飞机上的118位乘客正飞行在34000英尺（刚刚超过10,000米）的上空。
The Boeing 737-300 in question was only 15 years old when its skin peeled open along a riveted lap-joint while flying above 34, 000 feet (just over 10, 000 metres) with 118 passengers on board.
正在讨论的波音737- 300型飞机只用了15年。当其外壳沿敲平的上端搭接接头剥落开来时，飞机上的118位乘客正飞行在34000英尺(刚刚超过10,000米)的上空。
While flying is a method of transport, taking a train is travel in its widest sense, in the same way that cycling or walking through a town enables you to see things that drivers miss completely.
飞行是一种旅行方式，乘火车是最广泛意义上的旅行，如同骑车和步行穿城而过，能让你看到驾车者看不到的景色。
The first well-known UFO sighting occurred in 1947, when businessman Kenneth Arnold claimed to see a group of nine high-speed objects near Mount Rainier in Washington while flying his small plane.
首个著名的飞碟目击事件发生在1947年，一个叫KennethAr nold的商人声称他在华盛顿的雷尼尔山附近玩小型飞机模型时看到了一组9个高速移动的物体。
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