But in fact, those molecules are spinning at the rate of about a million revolutions per second; they're agitating back and forth their size every two nanoseconds; they're completely crowded together, they're jammed, they're bashing up against each other.
但事实上 这些分子是以 每秒100万次的速度在旋转 每隔一分钟 他们就会改变自身的大小 它们都是笼聚在一起的 像是塞车的车龙 相互摩擦