英语词汇u-boat的起源、历史背景-英语词源词典

词汇	u-boat
词源	U-boat. The German unterseeboot, “undersea boat,” gives us this universal abbreviation, which became popular during World War I.
随便看	decimate decrepit deep throat deep-six deer defalcate defalcation defenestration deipnosophist delaware delft delicatessen delilah delirium delphinium delta demagogue dem bums demijohn democracy demoralize demosthenic dennis the menace den of thieves dentist

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。