英语词汇fail-safe的起源、历史背景-英语词源词典

词汇	fail-safe
词源	fail-safe. The fail-safe system, intended to help prevent nu- clear war, was developed by the Strategic Air Command of the U.S. Air Force in the 1950s. Under the fail-safe procedure a bomber had to return home without dropping its bombs if spe- cific orders to drop the bombs weren’t received. Thus a failure to receive such a radio message would be a failure on the safe side that wouldn’t accidentally trigger a nuclear war. The term fail-safe is now used to describe any precautionary system.
随便看	italic type itch itching ears itchy trigger finger it didn’t jell it doesn’t go on all fours i throw a shoe at you it is harder for a rich man to enter the kingdom of heaven than for a camel to go through the eye of a needle it might have been it must have been one of the nuts it rains on the just and unjust alike i trust it-s nothing trivial its it-s a great life if you don’t weaken it-s all in a day-s work it-s all over but the shouting it-s all worth it including the final crash it-s always the best swimmers that drown it-s a naive domestic burgundy without any breeding but i think you’ll be amused by its presumptions it-s a new ball game it-s chess not checkers it-s greek to me it-s how you played the game it smells of the lamp it-s naughty but it-s nice

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。