bell jar
bell jar是什么意思、bell jar怎么读
bell jar汉语翻译
【机】 钟罩
bell jar英语解释
名词 bell jar:
- 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
bell jar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。
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