Newton's laws 牛顿定理伴奏方案1[verse]First law 第一定理is about everything has an inertia 是关于任何事物都有惯性object tends to keep its own motion 物体倾向于保持原有的状态keeps the same speed and direction 保持同样的速率和方向directio...
[序曲]Let's explore static electricity,让我们一起探索静电，From basic charges to safety, you'll see.从基础电荷到安全事项，你会明白。[第一段：正与负]Positive and negative, two types of charge,正电荷与负电荷，两种类型，Like charges repel, they pus...
