选择最恰当的答案，并在答题卡2相应字母中心处画一条线。

You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.

youdao

做完一个练习，就画一条线隔开。

When you have finished an exercise, rule off.

youdao

为此我要画一条线。

For that I am going to draw a line of these.

youdao

And what we would see if we were graphing, for example, increasing kinetic energy, is we would see 1 line corresponding to each of these energies of electrons that we see coming out.

如果我们将它画出来会看到，比如以动能增加的顺序，这里一条线就对应着,一个出射电子可能带有的动能中的一种。

麻省理工公开课 - 化学原理课程节选

For that I am going to draw a line of these.

为此我要画一条线。

麻省理工公开课 - 固态化学导论课程节选

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