polyurea聚: assemble; gather; get togeth ...脲: urea; carbamide聚脲: polyurea磺脲类: sulfonylureas脒脲类: amidinoureas下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:聚脲类,即可在微信中查询翻译