To tide it over, we should research and analyze its cause of formation so as to adopt powerful tools and means to insure an improved dash sport.

只有研究和分析“速度障碍”的成因，采取切实有效的方法和手段来克服速度障碍，才能保证短跑运动水平的提高。

youdao

To tide it over, we should research and analyze its cause of formation so as to adopt powerful tools and means to insure an improved dash sport.

只有研究和分析“速度障碍”的成因，采取切实有效的方法和手段来克服速度障碍，才能保证短跑运动水平的提高。

youdao