The air flowing over a bird's wings curls upwards behind the wingtips, a phenomenon known as upwash.

鸟上方的气流后方向上盘旋，这种现象被称作气流上洗。

This gentle giant commands a special kind of respect since other airplanes have to wait up to three minutes before they can start their takeoff after an A380 due to the wake turbulence from its four engines and wingtips.

这款温和的巨无霸赢得了特别的尊重，因为其他飞机需要等待长达三分钟才能开始起飞，因为空客A380的四台发动机和产生的尾流涡旋消散之前，它们不能安全起飞。

It's great to see confidence in your outfit perhaps not being afraid to try a paisley tie with a check shirt or pairing your wing tip shoes with your dark wash getup.

很高兴看到您对自己的着装充满信心，也许不害怕尝试搭配格纹衬衫搭配佩斯利领带，或者将鞋与深色水洗套装搭配。

It's an older, shorter, wingtip-less variant of the 737, configured to operate as a private jet for a Texas oil company, and it just barely fits under the airport's maximum width requirements.

这是一款较老的、较短的、有小的737变种飞机，配置为德克萨斯一家石油公司的私人飞机，它刚好满足机场最大宽度要求。

Carlisle revealed that it is possible to set  the wingtips to automatically retract once the aircraft drops below 50 knots while landing, with the folding process taking around 20 seconds.

卡莱尔透露，可以将设置为飞机着陆时低 50 节时自动缩回，折叠过程大约需要 20 秒。

The wingtip of the American Airlines Flight 5490 struck American Airlines Flight 4522 on a taxway at Ronald Reagan Washington National Airport around 1245 local time.

美国航空公司5490航班的当地时间约12时45分撞上了罗纳德·里根华盛顿国家机场滑行道上的美国航空公司4522航班。

The seven seven X which will also fold its wing tips When unfolded, these will add 3.4 meters to the length of each wing.

七七X型飞机也将折叠其。 展开后，这将使每个机的长度增加3.4米。

So even this great insight of wing warping, of changing the angle of the wing tips to the air, had been tried before.

因此，即使是这种关角度以改变其与空气相对位置的伟大见解，之前也有人尝试过。

It's 239 feet long, 79 feet tall and 262 feet wingtip to wingtip… orrrrrr, put simply, the length of two blue whales!

它长 239 英尺， 高 79 英尺， 到 262 英尺… … orrrrrr， 简而言之，两只蓝鲸的长度！

Typically, when you see these taxiway incursions, airplanes are taxing right next to each other and it's wingtip to wingtip damage.

通常情况下， 当你看到这些跑道入侵事件时，飞机正紧挨着滑行， 对， 极易发生碰撞。

The broad-winged, shark-taloned bird of prey was clearly hunting some furry critter or another, a mouse perhaps or a rabbit.

那只宽如鲨鱼爪的猛禽显然猎捕一些毛茸茸的小动物，可能是老鼠或者兔子。

And how do you even measure the speed at which this glassy winged sharpshooter ejects its pee into the world?

那么，你如何测量这种玻璃头虫向外界喷射尿液的速度呢？

Two Argentine Skyhawk fighter jets slice through the South Atlantic sky, trails of white vapor tumbling from their wingtips.

两架阿根廷天空鹰战斗机划过南大西洋的天空，拖着白色的尾迹。

An hour later I passed by again and all the butterfly was down except for the wing tips.

一个小时后， 我再次经过， 发现除了外， 所有的蝴蝶都掉了下来。

These could feature a cap toe or wing tip design and would be a dark neutral color.

这些可能具有帽趾或设计，并且会是深色中性色。

Their wingtips are black, and their under parts  are a whitish or tan colour with dark bands.

它们的是黑色的，下部呈白色或棕褐色，带有深色条纹。

Their quiet dignity reminded me of my great-uncle Terry, who'd lived downstairs when I was growing up on Euclid Avenue, mowing our lawn dressed in wingtips and suspenders.

他们安静的尊严让我想起了我的叔叔特里，当我欧几里得大道长大时，他就住楼下，穿着和吊带修剪我们的草坪。

We're actually 3 feet apart, 3ft wing-tip clearance, at 250 miles and hour, 3 ft apart.

我们实际上相距3英尺，间距3英尺，每小时250英里的速度下，仅相距3英尺。

What do you make of the Boeing 777X's folding wingtips?

您如何看待波音 777X 的折叠？

It is also wider with raked wingtips while retaining its basic structure and sweep.

它的也采用了后掠设计，从而使机变得更宽，同时保留了基本结构和后掠角度。