两个物体的相互作用力总是大小相等,方向相反,同时出现或消失且作用于同一直线上。
I'll do whatever it takes to win games,whether it's sitting on a bench waving a towel,handing a cup of water to a teammate.
It's kind of fun to do the impossible.
伟大的传记应该像一幅肖像,既能捕捉光明也能捕捉阴影。