bell jar
听听怎么读
英 [bel dʒɑ:]
美 [bɛl dʒɑr]
是什么意思
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
- 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 PlathSylvia PlathAn 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 BirminghamGEMS: Galaxy Evolution from Morphologies and SEDsGEMS: which galaxies dominate the z~0.7 ultraviolet luminosity density?GEMS: Galaxy Fitting Catalogs and Testing Parametric Galaxy Fitting Codes: GALFIT and GIM2DSTAGES: the Space Telescope A901/2 Galaxy Evolution SurveyColors of AGN host galaxies at 0.5
b开头的单词
byzantine empire
by weight
by word of mouth
by yourself
bypass operation
by way
by way of
by way of...
by water
by volume
by virtue of
by twos
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p开头的单词
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司法公正
writ of summons
witness for the prosecution
witness for the defence
witness box
with malice aforethought
will
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