Let me show you a picture. The rule is if I walk along C with S to my left then the normal vector is pointing up for me.

给你们看张图片，“相容”就是,如果我沿着C走，而且S在左边，法向量就是朝上的。

youdao

Let 's go for a walk and blow the cobweb away.

咱们去散散步，清醒一下头脑。

youdao

"Let! S go for a walk," said the girl.

那姑娘说：“让我们去散散步吧。”

youdao

Let "s go out for a walk."

我们到里面去散漫步吧。

youdao

Let "s go out for a walk."

我们到里面去散漫步吧。

youdao