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	fortazes fortazzes forte forted fortemente fortepianist fortepianists fortepiano fortepianos forter fortes fortes fortuna juvat fortescue fortescure fortesque fortest forth forth of forth on forthbringer forthcome forthcomer forthcoming forthcoming bond forthcomingness

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