英语词汇triennial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	triennial
词根词缀	词源： 1640, "lasting three years;" 1642 in the sense of "occurring every three years," from L. triennium "three-year period," from tri- "three" + annus "year" (see annual).
随便看	come in for come into come into effect come into force come into one's own come into operation come into use comely come of come off come on come out come out with come over comer come round comestible comet cometh come through come to come to a close come to an end come to life come to one's mind

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。