英语词汇circadian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	circadian
词根词缀	词源： coined 1959 from L. circa "about" + diem, acc. sing. of dies "day" (see diurnal). The original use is in circadian rhythm.
随便看	backfill backfire back-formation backgammon background backhand backhoe backing backlash backlog back of back off back out of backpack backside backslash backslide backstabber backstop backstory back-talk backtrack back up backup backward

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。