需要重画的窗口区域的宽和高（象素为单位）。

The width and height (in pixels) of the window's region that needs to be redraw.

youdao

(他擦掉了一个门，重画了一下)因为这里是个排水管。

(he erases a door, starts in again.) Because there was a drainpipe here.

youdao

这项胶卷的发明极大的推动了可记录的多重画面技术的进程。

The invention of roll film greatly speeded up the process of recording multiple images.

youdao

Let's draw it in degrees Kelvin, instead of in degrees Celsius.

来重画一下这幅图，现在温度的单位是开尔文。

麻省理工公开课 - 热力学与动力学课程节选

And that's the following. Let's take a particle that is moving in the x-y plane, so that at one instance-- sorry, let me change this graph-- is here--oh, this is bad.

接下来,我们来看一个物体,在 x-y 平面内运动,在这个例子中,对不起,我要重画一下这个图,在这里,这画得不好

耶鲁公开课 - 基础物理课程节选