立即获取优惠短信、上课地址、接待老师联系方式
咨询热线: 400-888-4846
1.1Introduction to How Things Work
2.1.1 Skating Introduction
2.1.2 Why Does a Motionless Skater Tend to Remain Motionless_
2.1.3 Why Does a Moving Skater Tend to Continue Moving_
2.2.1 How Can We Describe the Fluid, Effortless Motion of a Coasting Skater_
2.2.2How Does a Skater Start, Stop, or Turn_
2.2.3 Why Does a Skater Need Ice or Wheels in Order to Skate_
2.3.1 Skating Summary
培训世界 北京爱预科教育体验课 免费预约