英语词汇Mach的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	Mach
词根词缀	词源： measure of speed relative to the speed of sound (technically Mach number), 1937, named in honor of Austrian physicist Ernst Mach (1838-1916).
随便看	bittersweet BitTorrent bitty bitumen bituminous bivalent bivalve bivariate bivouac biweekly biz bizarre bize blab blabber black black and blue blackball blackberry blackbird blackboard black box black code black comedy Black Death

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