the position in a journey (esp. by air) beyond which it becomes impossible or impractical to return to the starting point, due to lack of fuel…
| 单词 | θ206929 |
| 释义 | society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > course > check-point or way-point > limit when first of three engines fails (1) point of no return1941 the position in a journey (esp. by air) beyond which it becomes impossible or impractical to return to the starting point, due to lack of fuel… |
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