hot air 英 [hɔt eə(r)]   美 [hɑt er]

hot air

hot air  英 [hɔt eə(r)] 美 [hɑt er]

phrase. 吹牛;大话 

名词复数:hot airs 

It uses hot air. 它使用热空气。
The machine circulated hot air by convection. 这个机器使热空气通过对流来循环。

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  • phrase. 吹牛;大话
  • 1. It uses hot air.

    它使用热空气。

  • 2. The machine circulated hot air by convection.

    这个机器使热空气通过对流来循环。

  • 3. There is usually a damper in the heat saver you can adjust to allow hot air to pass out of your home in the summer.

    通常热量保护器里面有一个气闸,在夏天时你可以改装让热的空气从家中散出。

  • hot air (n.) "unsubstantiated statements, boastful talk," 1900, from hot (adj.) + air (n.1). The adjectival phrase hot-air (of balloons, etc.) is from 1813.
ˌhot ˈair / ; NAmE / noun [uncountable ] ( informal) claims, promises or statements that sound impressive but have no real meaning or truth 夸夸其谈;大话;空话 ˌhot ˈair / ; NAmE /
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