单词	frost valve
释义	frost valve noun : a valve to drain the part of a pipe, hydrant, or pump where water would be liable to freeze Word History First Known Use 1865, in the meaning defined above
随便看	meridional meridional difference of latitude meridional distance meridional part meridional projection meridionality meridionally meridionals merils merimdean Merimdian mering meringue meringued meringuer meringues meringuing merino merinos Merion bluegrass Meriones merioneses merionesses Merioneth merionethshire

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