kneebrush

例句：

1. 1.She used a kneebrush to clean her knees after a long day at work.
   她使用膝盖刷子在工作了一整天后清洁她的膝盖。
2. 2. The nurse gave the patient a kneebrush to help him relieve his pain.
   护士给病人一个膝盖刷子来帮助他缓解疼痛。
3. 3.After cleaning her teeth, she used a kneebrush to gently brush her knees.
   在她刷牙之后，她用膝盖刷轻轻地刷她的膝盖。