noun 다운로드 🔗공유 폴리우레탄 Any of various polymeric resins containing urethane links; used in very many industrial and domestic applications. Examples : "The furniture was coated in polyurethane to protect it from scratches and spills. " 가구는 긁힘과 흘림으로부터 보호하기 위해 폴리우레탄으로 코팅되었습니다. material compound substance chemistry industry technical AI와 채팅어휘 게임독해 연습