麻屑

例句：

1. 1.The old tree was covered in thick, dry leaves that looked like tiny walnuts.
   这棵老树覆盖着厚厚的、干枯的叶子，看起来像小核桃。
2. 2. The scientist used a microscope to examine the microscopic particles of pollen grains.
   科学家用显微镜检查花粉颗粒的微观粒子。
3. 3. The scientist found that the pollen grains were coated with a layer of waxy substance, which made them difficult to digest.
   科学家发现花粉颗粒被一层蜡质物质覆盖，这使得它们难以消化。