noun🔗Share聚酰胺，尼龙。 Any of a range of polymers containing amide (or peptide) repeat units; examples include proteins and nylon."The sturdy backpack is made of a durable polyamide called nylon, which resists tearing even with heavy books. "这款结实的背包是用一种叫做尼龙的耐用聚酰胺制成的，即使装满厚重的书籍也不容易撕裂。materialsubstancechemistrycompoundChat with AIVocabulary GamePractice Reading
