bell jar

bell jar读音音标

英 [bel dʒɑ:]

美 [bɛl dʒɑr]

bell jar意思解释

n.

钟形的玻璃容器或盖子；

钟罩；

英英释义

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

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。