知道我的意思吗？
Do you mean how do I know that it is perpendicular to a level curve?
你想问的是，我如何知道它是和等高线垂直的吗？
You're a legend. I mean, you do know that?
你是一个传奇，你知道吗？
You're a legend, though. I mean, you do know that.
不过你是个传怪杰物，我想这点你是知道的。
You're a legend, though. I mean, you do know that.
不过你是个传怪杰物，我想这点你是知道的。
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