- a bell-shaped glass cover used to protect flower arrangements or fragile ornaments or to cover apparatus in experiments, esp to prevent gases escaping
| 单词 | bell jar |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 bell′ jar′,
Collins Concise English Dictionary © HarperCollins Publishers:: bell jar n
Bell′ Jar′, The,
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