英语词汇deadbolt lock的起源、历史背景-英语词源词典

词汇	deadbolt lock
词源	deadbolt lock. A lock bolt moved into position by the turn- ing of a knob or a key rather than by spring action. The British use the expression mortise lock, which has some currency in America, and dead lock.
随便看	roman nose roman numerals romanticists and classicists romany rye roman à clef romeo and juliet rome wasn’t built in a day rook rookie rooster story root canal root hog or die rooty-toot-toot rope-a-dope rope lines rope of sand roquefort roquelaure rorschach test rosary roscian roscoe rose rosebud senator rose-colored glasses

英语词源词典收录了13259条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。