英语词汇invalidate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	invalidate
词根词缀	invalidate 使无效，使作废来自invalid, 无效的；-ate, 动词后缀。
随便看	iguana iguanodon ikebana ileum ilk ill illegal illegible illegitimate ill-fated ill-founded ill humor illiberal illicit illiterate illness illogical ill-omened ill-starred illuminate illuminating illumination illusion illusionist illusive

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。