单词	balance spring
释义	balance spring noun : hairspring Word History First Known Use 1772, in the meaning defined above
随便看	innovators innovatory inns Inns of Court Innsbruck innuendo innuendoed innuendoes innuendoing innuendos innuit Innuit innuits innumerabilities innumerability innumerable innumerableness innumerablenesses innumerably innumeracies innumeracy innumerate innumerates innumerous innutrition

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