A localized region of descending air, as a downdraught or sudden change of wind velocity, which causes an aircraft to lose height suddenly.
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| 单词 | θ207169 |
| 释义 | society > travel > air or space travel > specific movements or positions of aircraft > air as medium for operation of aircraft > [noun] > air-pocket (2) air pocket1910 A localized region of descending air, as a downdraught or sudden change of wind velocity, which causes an aircraft to lose height suddenly. hole in the air1911 Aeronautics. hole in the air: an old name for an air-pocket (air, n.1 compounds 1b(a)). |
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