a balance consisting of a lever with two equal arms and a pan suspended from each arm
beam balance 30秒了解
- (noun) a balance consisting of a lever with two equal arms and a pan suspended from each arm
Meanings
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1
noun a balance consisting of a lever with two equal arms and a pan suspended from each arm
Summary
a balance consisting of a lever with two equal arms and a pan suspended from each arm
- (noun) a balance consisting of a lever with two equal arms and a pan suspended from each arm
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