参考如下:
1 save energy
2 make yourself move forward
3 move forward continuously
4 prevent yourself from falling down
5 the whole process of running
百度教育团队【海纳百川团】为您解答
请点击“选为满意答案”按钮,
参考如下:
1 save energy
2 make yourself move forward
3 move forward continuously
4 prevent yourself from falling down
5 the whole process of running
百度教育团队【海纳百川团】为您解答
请点击“选为满意答案”按钮,