所有的线路都是直的，所以地图完全由水平线、垂直线和对角线组成。

All lines were straightened, so that the map consists entirely of horizontal, vertical or diagonal lines.

youdao

我一直认为要使山墙看起来漂亮应该有一条简单的直线。这就是为什么一个简单的直线型平面是必要的。

I always think that to look beautiful the gable should has a simple straight line. That's why a simple and rectilinear plan is needed.

youdao

根据今年夏末的一项“职业者”调查报告显示，10个雇员之中就有4个声称他们的工作压力在最近的六个月来一直成直线上升趋势，同样，10个之中就有2个声称自己已经感到精疲力竭了。

Four in 10 employees say their work stress level has increased in the last six months, according to a CareerBuilder survey from late this summer. Two in 10 feel burned out.

youdao

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