英语词汇ask what you can do for your country的起源、历史背景-英语词源词典

词汇	ask what you can do for your country
词源	See ask not what your country can do for you
随便看	koala kodak koh-i-noo konpyutaa kook korean conflict korean emergency kosher kowtow kp k-rations kreutzer sonata kris kringle kristallnacht krummkake kudos kudzu ku klux klan kulak kumquat kung-fu kunzite kvetch kwanzaa l

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。