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单词 make-and-break
释义

WordReference Random House Unabridged Dictionary of American English © 2024
make-and-break  (mākən brāk),USA pronunciation adj. 
  1. Electricitynoting or pertaining to a device, operated by an electric current, for automatically opening or closing a circuit once it has been closed or opened by a mechanical springlike device, as in a doorbell.
  • 1855–60

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更新时间:2024/9/21 4:28:36