The number two plane flew seven thousand two hundred thirty-two kilometers an hour.

VOA: special.2010.07.07

Here, we are not talking about a single number, but a displacement in the plane.

我们现在不是在讨论数字,而是平面上的位移

耶鲁公开课 - 基础物理课程节选

Here, we are not talking about a single number, but a displacement in the plane.

我们现在不是在讨论数字,而是平面上的位移

耶鲁公开课 - 基础物理课程节选