This is a way to keep up with the pace of raising nationalconstitution, to overcome the difficulties in physical education teaching.
只有这样，才能跟上时代的脚步，提高国民体质、克服体育教学中的困难。
2
The authors of the United States Constitution attempted to establish an effective national government while preserving autonomy for the states and liberty for individuals.
美国宪法的起草者试图建立一个有效的国家政府，同时保持各州的自治和个人的自由。
3
This vision of the founders served as a basis for asserting that freedom was a national moral imperative, and that the United States Constitution was an antislavery document.