mass noun
a synthetic resin in which the polymer units are linked by urethane groups, used chiefly as constituents of paints, varnishes, adhesives, and foams
聚氨基甲酸乙酯, 聚氨酯。
with obj.［usu. as adj. polyurethaned］
coat or protect with paint or varnish of this kind
（用聚氨酯）涂, 漆, 抛光。