学校应当科学合理安排学生在校作息时间，保证学生有休息、参加文娱活动和体育锻炼的机会和时间。

Schools should make routine schedules for students in a scientific and reasonable way to ensure tangible opportunity and time for students to participate in recreational activities and physical exercises.

肺活量和1000m（女800m）跑则非常显著的差于普通大学生，提示加强聋生体育锻炼的科学指导，增强聋生体质是重要的。

It indicated that scientific theory should be put into the deaf mute students' physical exercises, and it was very important to improve their constitution.

这个国家一半以上的人口参加体育锻炼。

Over half the population of this country participate in sport.

进行一点儿体育锻炼能帮助他改善情绪。

A bit of exercise will help lift his spirits.

体育锻炼在疾病防治方面发挥着重要作用。

Exercise has a major part to play in preventing and combating disease.

体育锻炼可以预防流感。

Physical exercise can protect you against the flu.

体育锻炼理应是日常生活的一部分。

Physical exercise should be part of ordinary life.

缺乏体育锻炼是青少年学生肥胖的主要原因。

Lack of physical exercise is the leading cause of obesity in young students.

体育锻炼有助于增强体质。

Exercise is conducive to good health.