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lighter-than-air

/ˈlaɪ.tər ðən ɛər/

翻译: 形容气体或物质密度比空气小,因而会向上飘浮;也比喻极其轻盈、能漂浮的事物。

1 个条目

adjective

/ˈlaɪ.tər ðən ɛər/C2formalscientific
  • zh形容气体或物质密度比空气小,因而会向上飘浮;也比喻极其轻盈、能漂浮的事物。

Describes a gas or substance that is less dense than air, causing it to rise; also used metaphorically to describe something extremely light or buoyant.

  1. Aircraft buoyancyC1formal

    Describing an aircraft, such as a balloon or airship, that achieves flight by being less dense than the surrounding atmosphere.

    zh轻于空气

    • The zeppelin is a classic example of a lighter-than-air vehicle.
    • Hot air balloons are lighter-than-air craft that rely on heated air for lift.
    • Modern blimps use helium to maintain their lighter-than-air status.

    同义词buoyant

    反义词heavier-than-air

词形
  • more lighter-than-air comparative form
  • most lighter-than-air superlative form