bell jar

bell jar 的中文释义

• [机] 钟罩

bell jar 的英文释义

• A glass vessel, varying in size, open at the bottom and

• closed at the top like a bell, and having a knob or handle at the top

• for lifting it. It is used for a great variety of purposes; as, with

• the air pump, and for holding gases, also for keeping the dust from

• articles exposed to view.

bell jar 的词形变化

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