英语词汇duck and cover的起源、历史背景-英语词源词典

词汇	duck and cover
词源	duck and cover. An exercise used in schools during the early years of the cold war, when students were taught to protect themselves from a nuclear attack by ducking under their desks and covering their heads with their hands.
随便看	birrellism birth birthday suit biscuit bismarck bismarck herring bismarckian bistro bitch bitchbox bite moose bite the bullet bite the dust bite the hand that feeds one biting remark bitin’ and gougin’ bitter pill to swallow blab black arts blackball black bart the po-8 black belt blackberry black betsy blackbirder

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。