英语词汇covalent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	covalent
词根词缀	covalent 等价的 co-, 表强调；-val, 力量，价值，词源同value, valiant.
随便看	refrigerate refrigerator refuel refuge refugee refulgent refund refurbish refuse refusenik refute reg- regain regal regale regalia regard regarding regardless regatta regency regenerate regent reggae regicide

英语词根词缀词典收录了25228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。