英语词汇double up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	double up
词根词缀	词根记忆： v. 把…对折,弯曲,与别人挤住在一起When swimming he doubled up his legs and kicked out.游泳时他将腿一缩一伸地游.
随便看	luminescence luminescent luminosity luminous lummox lump lumpectomy lumpenproletariat lumpy luna lunacy lunar lunatic lunch luncheon luncheonette lune lunette lung lunge luniform lunk Lupercalia lupin lupine

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。