unguentum

例句：

1. 1. The function of the new device is to improve efficiency.
   新设备的功用是提高效率。
2. 2.The scientist's research focused on unctions in medicine.
   科学家的研究专注于医学中的操作。
3. 3. The team's unctions were crucial in achieving the goal.
   团队的操作对于实现目标至关重要。