画必须有坚硬的画架，这样画布才会绷紧，而且颜料不能变质、开裂或变色。

Paintings must have rigid stretchers so that the canvas will be taut, and the paint must not deteriorate, crack, or discolor.

youdao

你能象这样画个圆圈吗？

Can you draw a circle like that?

youdao

老师告诉我不要这样画。

My teacher told me not to paint like this.

youdao

So, if we use those two tips to try to figure out a structure, a skeletal structure, we would get this structure here if we write out the full Lewis structure.

那么，如果我们用这两个小窍门来,尝试写出它的结构，骨架结构，我们将会得到这样的结构,如果我们把完整的路易斯结构画出来的话。

麻省理工公开课 - 化学原理课程节选

So if we went through and drew out our Lewis structure following each of our steps, what we would get is this as our Lewis structure here, and we could figure out all of the formal charges.

那么如果我们按照流程,经过所有的步骤来画路易斯结构，我们会得到这样的路易斯结构，然后我们可以算出所有的形式电荷。

麻省理工公开课 - 化学原理课程节选

The way I've got this drawn, the volume is going up in the process. It's an expansion.

像我画的图这样，这个过程中,体积是增加的，这是个膨胀。

麻省理工公开课 - 热力学与动力学课程节选