单词	back siphonage preventer
释义	back siphonage preventer vacuum breaker vacuum breaker A backflow preventer which prevents a vacuum in a water-supply system from causing backflow.
随便看	knocking you out knocking your head against a brick wall knocking your head against a wall knocking your head against the wall knocking your heads together knocking yourself out knocking your socks off knocking you sideways knockin model knockin on heaven's door knockin on heavens door knockin' on heaven's door knockin' on heavens door knock in option knock-in option knock-in-option knock in options knock-in options knock-in-options knockin, shropshire knock intensity knock into knock into a cocked hat knock into next week knock into shape

英语词典包含2567994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。