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单词 lighter-than-air
释义

WordReference Random House Unabridged Dictionary of American English © 2024
light•er-than-air  (lītər ᵺən âr),USA pronunciation adj. [Aeron.]
  1. (of an aircraft) weighing less than the air it displaces, hence obtaining lift from aerostatic buoyancy.
  2. of or pertaining to lighter-than-air craft.
  • 1900–05

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