常见例句用作名词 (n.)Its fruit and extracts contain proteins, coagulants, and powerful astringents.它的果实榨取物含有蛋白质，凝血剂和强大的收敛剂。Other lines of attack include astringents and topical or oral medications.其它治疗手段包括收敛剂和局部或口服的药物治疗。 返回 astringents