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古诗词网旗下英语词典提供lighter-than-air的意思:

汉语翻译

a. 轻于空气的

英语解释:

形容词 lighter-than-air:

  1. relating to a balloon or other aircraft that flies because it weighs less than the air it displaces

详细解释:


light.er-than-air

adj.(形容词)
Having a weight less than that of the air displaced. Used of certain aircraft.
轻于空气的:重量比周围的空气轻。用于某种航空器