soap grain

例句：

1. 1. The soap grains were so small that they could barelybe seen.
   肥皂粒太小了，几乎看不见。
2. 2. The soap factory produces a variety ofsoap products for different skin types.
   这家肥皂厂生产各种适合不同肤质的肥皂产品。
3. 3. The soap grains are used tomake soap bars and other cleaning products.
   肥皂粒用于制作肥皂条和其他清洁产品。