friction toy car

例句：

1. 1. The friction toy car is a great way to learn about friction.
   摩擦玩具车是学习摩擦的好方法。
2. 2. The friction toy car is a fun activity for children to learn about science.
   摩擦玩具车是儿童学习科学的一种有趣的活动。
3. 3. The friction toy car is a great tool for teaching young children about the forces of motion.
   摩擦玩具车是教授年轻孩子关于运动力的有力工具。