balance carried over

例句：

1. 1.The teacher asked the students to balance theirbooks on their desks.
   老师要求学生们把书本放在桌子上保持平衡。
2. 2. The dancer balanced her weight on one leg fora long time.
   舞者长时间单腿站立保持平衡。
3. 3. The doctor advised the patientto balance his diet with exercise to maintainhis health.
   医生建议病人通过运动和饮食的平衡来维持健康。