我能用尺子画条线。

I draw a line with a ruler.

youdao

用格尺画条线。

Draw a line with ruler.

youdao

我能画条线。

I can make a line.

youdao

Leave a line there and think about it and fill in the blanks later.

画几条线,仔细想一想,然后补上这个漏洞

耶鲁公开课 - 基础物理课程节选

Now there many ways I can connect these two points together. The simplest way is to draw a straight line. It's called the linear interpolation. My line is not so straight, right here. You could do a different kind of line.

最简单的办法是,像这样画一条直线,这叫线性插值,不过我的这条线画得不太直，你也可以用别的办法,比如一条抛物线。

麻省理工公开课 - 热力学与动力学课程节选

I've got it plotted here; it's even more steep than that.

我把它画在这儿,这条线比那条线要陡峭得多

耶鲁公开课 - 金融市场课程节选