| 释义 |
bell jarn.（名词）- A cylindrical glass vessel with a rounded top and an open base, used to protect and display fragile objects or to establish a vacuum or a controlled atmosphere in scientific experiments.钟状杯：一种圆柱体玻璃器皿，有圆顶和敞开的底，用于保护和展览易碎物体或在科学试验中建立真空或可控制气压
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