pill roller

例句：

1. 1.The pill roller is used to roll themedicine into pills.
   药丸滚轮用于将药物压成药丸。
2. 2. The doctoruses a pill roller to make sure themedication is evenly distributed.
   医生使用药丸滚轮确保药物均匀分布。
3. 3. The pillroller was designed to improve the efficiency ofthe pharmaceutical manufacturing process.
   药丸滚轮的设计旨在提高制药过程的效率。