He had helicopters fifty years before the Wright brothers flew their first plane at Kitty Hawk.
早在莱特兄弟在凯蒂·豪克飞行第一架飞机之前50年，他已经想到了直升飞机。
The first plane in the world had been tested by a Russian 20 years before the same was done by the Wright brothers.
在莱特兄弟试飞前的20年，俄罗斯人就完成了世界上第一架飞机的试航。
The 9/11 attacks began at 8:46 a.m., when the first plane slammed into the north tower at the World Trade Center.
9月11日上午8时46分，第一架飞机撞击了世贸中心的北塔。
Before I could join the others outside to see what was going on, the first plane had already hit my office building.
我还没来得及和其他人到外面看发生了什么事，第一架飞机已经撞上了我们的办公大楼。
The pin is provided with a first plane portion parallel to a shaft and a second plane portion different from the angle.
销具有平行于轴的第一平面部及与其相异角度的第二平面部。
The men were on their way up the north tower of the centre, close to the 70th floor, when the first plane struck at 8.47am.
在当天上午8时47分第一次撞击发生时，这名男子正在北塔乘电梯上行到达约第70层。
I was listening to the news while dialing the shoe-repair shop and hung up as soon as I heard of the first plane hitting the tower.
我打电话给修鞋店的时候还在听着新闻，一听到第一架飞机装撞上双子塔我便立刻挂了电话。
Several of the pager messages point to the mass of confusion and rumour-mongering that set in after the first plane hit the north tower.
有几条寻呼机信息表明在第一架飞机撞上北塔之后，人们产生了大量的困惑，谣言四起。
The first plane hit the World Trade Center's north tower at 8:45, ripping through the building's skin and setting its upper floors ablaze.
第一架飞机于8:45撞击了世贸中心北楼。 飞机撕裂开这幢大厦后，在大厦上部燃起熊熊大火。
The first plurality and the second plurality are arranged so that the first plane intersects with the second plane along a straight intersection line.
设置所述多个第一和多个第二声学驱动器，使所述第一平面与所述第二平面沿着直的交线相交。
Such as the benchmark is central plane, it should be the first plane, and then find out from the center of central plane with highly swim ruler crossed.
如基准是中心平面，则应先将此中心平面找出，然后从中心平面出发，用高度游标尺划线。
A spinoff of the Hondajet operation, which won't deliver its first plane into a now-depressed market until a year from now, would eliminate executive distraction.
本田将负责研制喷气式飞机的航空事业部分离了出去，这是明智之举，因为这可以杜绝高管层注意力分散的弊病。(本田的航空事业部至少还得再过一年，才能在市场上推出它的第一架飞机)。
On 9/11, Denise Rabinowitz and a 75-year-old colleague took the stairs together from their 90th-floor office after the first plane struck the neighboring tower.
911事件当天，当第一架飞机冲撞隔壁大楼时，DeniseRabinowitz和一名75岁的同事通过楼梯从90层步行下楼，开始逃生。
A message sent at 9.04am said that the fuselage of the first plane at the north tower had caused a second explosion - misinterpreting the second strike at the south tower.
上午9：04，一条发出的信息称，撞上北塔的飞机机身导致了引起了第二次爆炸——其实第二次是撞在了南塔上。
He then produced with DuPont the first plane powered entirely by the sun, the Solar Challenger, which in 1981 flew the 163 miles from Paris to Canterbury at a height of 11,000 feet.
后来他和杜邦制造了第一架完全由太阳光提供动力的飞机——“日光挑战者”，1981年这架飞行器从巴黎起飞，在11000英尺高空飞行了163英里，最后到达坎特伯雷。
The most recent aircraft delivery occurred on Jan. 7 to the Naval air Station in Jacksonville, Fla., for subsequent transfer to Pakistan. Lockheed Martin delivered the first plane in October 2009.
最近的一次飞机交付发生在1月7日，经佛罗里达州杰克逊·维尔海军航空站移交给巴基斯坦，洛·马在2009年10月交付了首架飞机。
If your plane arrives late due to bad weather or air traffic jams or strikes, then the train passengers will arrive at their destination first.
如果你的飞机因为恶劣的天气或空中交通堵塞或罢工而晚点，那么火车乘客会先到达目的地。
The second C919 large passenger plane completed its first flight at Shanghai Pudong International Airport on December 17th, 2017.
2017年12月17日，第二架 C919 大型客机在上海浦东国际机场完成首飞。
There have been many models of China's new plane C919 since it flew into the sky for the first time on May 5 this year.
自从今年5月5日中国新飞机 C919 首次飞上天空以来，已经有了很多它的模型。
One close-up shows orange flames and black smoke pouring from the upper floors of the north tower, the first hit by a hijacked plane.
一个特写桔黄色的火焰和黑烟从北边的塔的楼上泄出，这是第一架被支持的飞机。
Within minutes of each other, about 11:15 a.m. local time, first the Russian plane and then the American plane landed.
在几分钟之内，大约在当地时间的11点15分，俄罗斯和美国各自派出的飞机先后降落。
She was aboard American Airlines Flight 11, the first hijacked plane to hit one of the Twin Towers, and Betty was the first to alert authorities to the horror that was about to unfold.
她在美国航空11号班机上，这是第一架被劫持用来撞击双塔的飞机，Betty是第一个提醒当局警惕这场即将展开的恐怖行动的人。
She was aboard American Airlines Flight 11, the first hijacked plane to hit one of the Twin Towers, and Betty was the first to alert authorities to the horror that was about to unfold.
她在美国航空11号班机上，这是第一架被劫持用来撞击双塔的飞机，Betty是第一个提醒当局警惕这场即将展开的恐怖行动的人。
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