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比空气轻的 meaning in English

lighter-than-air

Examples

  1. Helium is also lighter than air , but it costs a lot of money . so balloons were ( and are ) usually filled with hydrogen
    氦也是一种比空气轻的气体，但是它太昂贵，因此气球通常都是装满氢气的。

Related Words

  1. 轻
  2. 比肯讷
  3. 比空气轻
  4. 比空气轻的飞行器
  5. 比空气重
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