英语词汇rat-a-tat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	rat-a-tat
词根词缀	Online Etymology Dictionary rat-a-tat 1680s, echoic, originally of a cooper hammering tubs.
随便看	heterotroph heterozygous hetman heuristic heuristics hew hewer hewn hex- hex hexa- hexachlor- hexachloro- hexadeca- hexadecimal hexagon hexagonal hexagram hexahedro- hexahydr- hexahydro- hexahydroxy- hexakis- hexameter hexametro-

英语词根词缀词典收录了54763条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。