hairspring

英[\'heəsprɪŋ]
美[\'hersprɪŋ]

基本释义

n.
细弹簧,游丝

实用例句

When have I ever left a mark as tiny as a hairspring?

我何曾留着像游丝样的痕迹呢?

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英英释义

Noun
  • 1. a fine spiral spring that regulates the movement of the balance wheel in a timepiece

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