noun🔗Share密封剂，填缝剂。 Any material used to seal a surface so as to prevent passage of a fluid."The plumber applied sealant around the bathtub to prevent water from leaking. "水管工在浴缸周围涂了密封胶，以防止漏水。materialsubstancebuildingtechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share密封剂，填缝剂 A mixture of polymers, fillers, and pigments used to fill and seal joints where moderate movement is expected."The bathtub needed new sealant around the edges to prevent water from leaking into the wall. "为了防止水渗入墙壁，浴缸边缘需要重新涂上新的密封胶/填缝剂。materialsubstancetechnicalbuildingindustryChat with AIVocabulary GamePractice Reading
