nose-teeth exercise

例句：

1. 1. This activity helps to strengthen the muscles in your nose and teeth.
   这项活动有助于加强你鼻子和牙齿的肌肉。
2. 2.During this exercise, you'll be asked to move your nose and teeth in different directions.
   在这项练习中，你将被要求用鼻子和牙齿在不同的方向移动。
3. 3. The dentist recommends this exercise as a preventive measure for maintaining good oral health.
   牙医推荐这个练习作为维护良好口腔健康的一种预防措施。