我在这里

hand leathers───手革

all there───头脑清醒的；机敏的

hand leather───手工皮革

Anglosphere───英语文化圈

adhere───vi.坚持；依附；粘着；追随；vt.使粘附

and a half───了不起的；而且比这多得多

and no mistake───无疑地；的确地

I'm going to drill a hole here, and I have here an axis l prime which is parallel to that one.───我在这里钻个洞，这是轴l撇,和那条平行。

In contrast, if we're taking the wave function and describing it in terms of n, l, m sub l, and now also, the spin, what are we describing here?───相反，如果我们考虑一个波函数，然后用n, l, m小标l，还有自旋，我们描述的是什么？