英语词汇mach angle的起源、历史背景-英语词源词典

词汇	mach angle
词源	See mach number
随便看	hawkweed hay is for horses hayism haymaker hays code hayseed haywire hazard h-bomb hd he head headache headline head nor tail head over heels head peace head ransom heads i win tails you lose he ain’t heavy father he-s my brother heap hear a different drummer hear hear hear o israel the lord our god the lord is one heart-burial

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。