英语词汇rat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	rat
词根词缀	rat 老鼠来自中古英语rat, 老鼠，来自古英语raet, 老鼠，来自Proto-Germanic→ratto, 刮，咬，来自PIE→red, 刮，咬，词源同rodent, eraser.
随便看	output outrage outrageous outreach outrider outrigger outright outset outside outsider outskirts outsmart outsource outspoken outstanding outstrip outvote outward understand understudy undertake undertaking underwhelmed underwrite undesirable

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。