英语词汇sierra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	sierra
词根词缀	词源： "a range of hills," 1613, from Sp. sierra "jagged mountain range," lit. "saw," from L. serra "a saw."
随便看	proficiency proficiency in proficient profile profit profitable profiteer profligate profound profundity profuse profusion prog progenitor progeny progesterone prognosis prognostic prognostication program programme progress progression progressive prohibit

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。