The density of PE course has directly influence on implementing the teaching task and building up the physique of the students.
体育课的密度对于完成教学任务，增强学生体质有着直接的影响。
We can reach the purpose of building up our physique by physical training.
通过体育锻炼可以达到增强体质的目的。
Physical training is the best way of building up our physique.
体育锻炼是增强体质的最佳方式。
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