单词	prechlorination
释义	prechlorination noun pre·​chlorination (¦)prē+ : chlorination of water before filtration Word History Etymology pre- + chlorination
随便看	ollavs ollie olluco olm Olmec olmecs Olmert olms Olmsted olmütz olnets olog ologies ologist ologists ology ololiuqui ololiuquis Olomouc olona Olonets Olor oloroso olorosos olp

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。