入伍后，学友管白莉叫“小齿轮”，她连油门踏板都够不着。不过，借助一小叠枕头，她竟也能成为最佳的特技飞行员之一。
Called "Little Gear" by her classmates, Bayley had trouble reaching the pedals but nonetheless became one of the best acrobatic pilots in the program with the aid of a small stack of pillows.
然而安装一个齿轮减速器后，涡轮可以高速驱动低速运转的风扇。
A gearbox, however, allows the turbine to operate at a high speed while driving the fan at a lower speed.
这是不可怕的登陆：鼻子齿轮后，1952年第一次滑行中的X - 2飞行倒塌。
This landing was less dire: the nose wheel gear collapsed after the first glide flight for the X-2 in 1952.
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