英语词汇speed bump的起源、历史背景-英语词源词典

词汇	speed bump
词源	speed bump. Since about 1970 the term for a ridge that is part of a road or shopping center, forcing cars to slow down.
随便看	plain sailing planet-struck plankter plankton plant plantain plantation planter-s wart plantocracy plaster of paris platonic love play a hunch play ball play both ends against the middle playboy play-by-play account play catch-up ball play close to the vest play fast and loose play footsie play for fun play for keeps play for the love of it play hardball play hooky

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。