directional polish

例句：

1. 1.The car was polished to a shine after the long journey.
   长途旅行后，这辆车被抛光得闪闪发光。
2. 2. The polishing process is crucial for maintaining the finish of the furniture.
   抛光过程对于保持家具的外观至关重要。
3. 3. The polisher used in this workshop is highly efficient and directional.
   这家车间使用的抛光机非常高效且具有定向性。