单词	polybutylene
释义	polybutylene noun poly·​butylene "+ : a polymer of one or more butylenes especially : polyisobutylene Word History Etymology poly- + butylene
随便看	raspite rasps Rasputin raspy rasse Rassenkreis rassenkreise rasses rassle rassled rassles rassling Rasta rastacouère rastacouères Rastafarian Rastafarianism rastafarianisms rastafarians rastamen rastaquouère rastaquouères rastas rastellus raster

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。