oleophylic colloid

例句：

1. 1.Oleophilic colloids are commonly found in nature and play important roles in biological processes.
   油溶胶在自然界中普遍存在，并在生物过程中发挥重要作用。
2. 2.The oil-soluble colloid was used to clean the oil stains on the fabric.
   这种油溶胶被用来清洗衣物上的油渍。
3. 3. The oil-soluble colloid was used as a lubricant for machinery.
   这种油溶胶作为机械的润滑剂使用。