| 单词 | θ208180 |
| 释义 | society > travel > air or space travel > [noun] > a flight through air or space > other types of flight (8) night flight1830 solo1911 Solo flying; a solo flight. mercy flight1933 cross-country1948 Applied to flying across the country. Also absol., a cross-country flight. general aviation1952 civil aviation activities other than large-scale commercial passenger and freight transport. free flight1954 Aeronautics and Astronautics. The unpowered flight of an aircraft, missile, or spacecraft, when it is in free fall; an instance of this. GA1974 civil aviation activities other than large-scale commercial passenger or freight transport; = general aviation n. at general, adj. n.compounds 2. instrument flight1988 attributive, with reference to the action of flying an aircraft while depending primarily on the aircraft's navigational instruments rather than on… |
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