I grabbed a piece of graph paper; I'm a physicist.

我抓来了一张坐标纸；我是一个物理学家。

Graph paper is drawn with a series of small square.

表纸是用一系列小方格绘制而成的。

So, you would have your graph paper, and you would have some curve on it.

得到的坐标纸，上面就有一些曲线。

Grid lines crisscross each drawing page like those on traditional graph paper.

网格线交叉分布在各绘图页上，就像传统的图纸一样。

Graph paper is the paper with many squares printed on it, used for drawing graphs.

坐标纸是具有很多小格子的纸，用来在上面绘图。