Using the note to draw a circle.

用音符画一个圈。

youdao

I need a compass to draw a circle.

现在我们开始用圆规画一个圆。

youdao

I need a compass to draw a circle.

我需要一支圆规画圆。

youdao

It makes sense to draw the wave function as a circle, because we do know that 1 s orbitals are spherically symmetric.

把波函数画成一个圆是有道理的，因为我们知道1s轨道是球对称的。

麻省理工公开课 - 化学原理课程节选