英语词汇at once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	at once
词根词缀	词根记忆： adv. 立刻Either come in at once or leave.要么马上进来,要么离开.
随便看	succulent succumb succus such such as such being the case suck sucker suckle suckling sucre sucrose suction Sudan sudatory sudden suds sudstruction sudtract sue suede suet suffer sufferable suffice

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。