这个烤肉架配有自动旋转装置，确保食物均匀受热。

The barbecue grill comes with a built-in ___rotator to ensure even cooking.

这块肌肉是负责手腕旋转的旋转肌。

This muscle serves as the ___rotator for the wrist movement.

她在健身时扭伤了肩膀的旋转肌。

She strained her ___rotator while working out at the gym.