bell jar

听听怎么读
英 [bel dʒɑ:]
美 [bɛl dʒɑr]
是什么意思
  • n.

    钟形的玻璃容器或盖子;钟罩;

  • 英英释义

    bell jar

    • n.a bell-shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gases

      同义词:bell glass

    学习怎么用

    双语例句

    1. If air weren't admitted into the bell jar, the electric bell in the bell jar would not ring because of a lack of a medium.
      如果我们不让空气进入铃罩,铃罩中的电铃一定会因缺少介质而不响了。

    权威例句

    Sylvia Plath
    Sylvia Plath
    An Introduction to Vacuum Technology for the Amateur Scientist
    • The Colossus and Other Poems, Heinemann, London, 1960; Alfred A. Knopf, New York, 1962;
    Computers in control at Birmingham
    GEMS: Galaxy Evolution from Morphologies and SEDs
    GEMS: which galaxies dominate the z~0.7 ultraviolet luminosity density?
    GEMS: Galaxy Fitting Catalogs and Testing Parametric Galaxy Fitting Codes: GALFIT and GIM2D
    STAGES: the Space Telescope A901/2 Galaxy Evolution Survey
    Colors of AGN host galaxies at 0.5