单词	back vent
释义	back vent noun : a ventilating pipe attached to a waste pipe on the sewer side of its trap to prevent siphonage back venting noun Word History First Known Use 1915, in the meaning defined above
随便看	root cutting root determinative root disease root division root fly root for root fungus root gall root graft root hair root house root in root kit root knot root line root maggot root metaphor root nodule root of unity root on root out root position root pressure root pulper root rake

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。