breast roller

例句：

1. 1. She used a breast roller to relieve her sore breasts after giving birth.
   她使用乳房按摩器来缓解分娩后的乳房疼痛。
2. 2. The doctor recommended using a breast roller to improve blood circulation in the breast area.
   医生建议使用乳房按摩器来改善乳房区域的血液循环。
3. 3. After a long day at work, she used a breast roller to relax her sore and tired breasts.
   在工作了一整天后，她用乳房按摩器来放松她酸痛和疲惫的乳房。