The descent of an aircraft or spacecraft prior to landing. Cf. to let down 4b at let, v.1 phrasal verbs.
| 单词 | θ206983 |
| 释义 | society > travel > air or space travel > action of flying (in) aircraft > specific flying operations or procedures > [noun] > sudden rapid descent > descent prior to landing (15) letdown1945 The descent of an aircraft or spacecraft prior to landing. Cf. to let down 4b at let, v.1 phrasal verbs. Subcategories:— lessening steepness of (2) — line of (2) — landing approach (10) |
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