词汇	pumice volcano
释义	pumice volcano 爆裂火山
随便看	Private Bills Ordinance private block-printing private blog Private blood group antibody Private blood group antigen private boat private body-building coach private bonded warehouse private bonds Private Book Collection private book-collector Private book sellers private books stored private bothway trunk private box private brains private branch exchange private-branch exchange private branch exchange access line private branch exchange arc private branch exchange equipment private branch exchange final selector private branch exchange group number private branch exchange line private branch exchangepbx