We call these two directions our coordinate basis because they're used to describe everything we graph.

我们将这两个方向称为我们的坐标基础，因为它们用于描述我们绘制的所有图形。

Just as a sequence of letters only becomes a word in the context of a particular language, an array acquires meaning as a vector when assigned a coordinate basis.

正如字母序列只能在特定语言的上下文中成为单词一样，数组在分配坐标基础时获得作为向量的意义。

Since you're facing the other way, your coordinate basis points in opposite directions, which we can call x prime and y prime, and your movement can be written like this, or with this array.

因为你面对的是另一个方向，你的坐标基指向相反的方向，我们可以称之为 x 素数和 y 素数，你的运动可以这样写，或者用这个数组。