英语词汇knapsack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	knapsack
词根词缀	词源： c.1600, from Low Ger. Knapsack (Du. knapzak), probably from knappen "to eat" lit. "to crack, snap" + Sack "bag."
随便看	collection collective collectivism collector college collegial collegian collegiate collet collide collie collier colliery colligate collin collinear collingual Collins collision collision with collocate collocation collogue colloid colloidal

英语词根词缀词典收录了31503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。