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单词
heavier-than-air
释义
WordReference Random House Unabridged Dictionary of American English © 2024
heav•i•er-than-air
(hev
′
ē ər ᵺən âr
′
),
USA pronunciation
adj.
Aeronautics
(of an aircraft) weighing more than the air that it displaces, hence having to obtain lift by aerodynamic means.
1900–05
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更新时间:2025/7/23 11:48:21