英语词汇back 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	back up
词根词缀	词源： 1767, "stand behind and support," from back (v.) + up. The noun meaning "standby, reserve" is recorded from 1952 (often written as one word, backup); specific reference to computing is from 1965. 词根记忆： v. 支持,倒退,裱You'll have to back up and turn around.你得把车往后倒,然后掉过头来.
随便看	poetic poetry pogo stick pogrom poi poignant poinsettia point point blank pointed pointer point for point pointillism pointing point man point of view point out point to poise poison poisonous poke poker pokey Pol.

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。