英语词汇make certain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	make certain
词根词缀	词根记忆： v. 确定Please make certain that the river is not deep before you swim there.请你搞清楚河水确实不深再去游泳.
随便看	petrify petrochemical petrodollar petroglyph petrol petroleum petticoat pettifogger petty petulant petunia peverse pew pewee pewit pewter peyote P.Gmc. -ph- pH phaeton -phagous phalanstery phalanx phallus

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。