X平面
planes───n.(Planes)人名；(西)普拉内斯；n.[航]飞机（plane的复数形式）；位面
x x───abbr.血型（xuexing，汉语拼音）
space planes───航天飞机
crashed planes───坠毁的飞机
model planes───模型飞机
toy planes───玩具飞机
ferrying planes───摆渡机
make planes───制造飞机
anatomical planes───解剖平面
if I have a point, at any point, I can slice the graph of my function by two planes, one that's going along the x, one along the y direction.───如果我有一个点，任意一点，我可以用2个平面把函数图像切开，一个是沿x方向，一个沿y方向。
Unlike most other X-Planes, the X-48B isn't designed for supersonic flight; rather, it's meant to study ways to create quieter, more fuel-efficient aircraft.───与大多数其他X -飞机，就X - 48b是不适合超音速飞行，相反，它的目的是研究如何建立更安静，更省油的飞机。
rare bird among the X-Planes, it was designed to take off from the ground and under its own power.───罕见的鸟，它的目的是从地面起飞，并根据其自己的力量。
A rare bird among the X-Planes, it was designed to take off from the ground and under its own power.───阿中的X-飞机罕见的鸟，它的目的是从地面起飞，并根据其自己的力量。
From the start, rocket-powered X-Planes typically hitched a ride to get into the air.───从一开始，火箭动力的X飞机通常顺风车搭车进入空气中。