The plane circled twice, trying in vain to line up with the runway.

飞机盘旋了两圈，试图对准跑道降落却没成功。

《柯林斯英汉双解大词典》

The plane flies over this line.

飞机在这条线上飞行。

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I can move in the line, in the line in a plane.

可以沿着曲线移动，在平面内的曲线移动。

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So that you take every sodium and you count all of its nearest neighbors, next nearest neighbors, next next nearest neighbors, not only on a line but in the plane and above and below in all three dimensions and go through that calculation, it is even more negative.

你考虑到每一个钠原子,你要考虑到它最近的原子，第二近的原子，第三近的原子，不是在一条线而是在一个面上,以及面上与面下的三维空间,再完成计算，这将会更负。

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The Lexington Institute's Loren Thompson says those mishaps usually result from a simple break in the line-of-sight connection between a plane and the satellite that controls it--often when one of the aircraft's own wings maneuvers into the path of the signal.

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Thus, since the military would no longer require any new C-17s, the one active American manufacturing line that is capable of building wide body military transport plane would be allowed to go dormant - possibly forever.

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When a plane returns to the gate, the flight has to get in line again for takeoff.

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