urinal screenWiktionary 原文英美构词拆解urinal词干+screen词干‘material for blocking large particles while allowing liquids and similar to pass’词源说明From urinal + screen (“material for blocking large particles while allowing liquids and similar to pass”).释义名词noun1A mesh placed above a urinal's drain to prevent debris from clogging the plumbing, sometimes shaped to also hold a urinal cake.