单词	leadscrew
释义	leadscrew noun lead·​screw ˈlēd-ˌskrü  : a threaded rod on which a mechanism travels and can be positioned precisely Word History First Known Use 1875, in the meaning defined above
随便看	dus in re dus mountains dusanbes Duse Dushanbe dushanbes dusicya dusicyons dusk dusk blue dusk dark dusked dusker duskest duskier duskiest duskily duskiness duskinesses dusking duskish duskishly duskishness duskly duskness

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