单词	cross-staff
释义	cross-staff noun ˈkrȯs-ˌstaf  : an instrument formerly used at sea for taking the altitude of a celestial body Word History First Known Use 1582, in the meaning defined above
随便看	triaxonida triaxons triazine triazines triazins triazinyl triazo triazoles triazolyl trib tribades tribadisms tribady tribal tribaler tribalest tribalism tribalisms tribalist tribalistic tribalists triballer triballest tribally tribasic

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