蛋白状粘液

例句：

1. 1. The meat isproteinous and rich in nutrients.
   这种肉富含蛋白质和营养。
2. 2. Proteinoussubstances are often used as building blocksfor new materials.
   蛋白质丰富的物质常被用作新材料的构建块。
3. 3. Theproteinous material was foundto be highly effective in treatingcancer.
   这种蛋白质丰富的材料被发现在治疗癌症方面非常有效。