C：你的意思是，如果旋转门已经在转动了，那就应该让老人先走，如果门停在那里，我就应该先去推门了？

A: Not when it comes to revolving doors. If the door had been moving and someone else had been ahead of him pushing, you should have waited.

youdao

虽然黑洞、多层宇宙还凑和地让人听得懂，不过你试着去理解“空间温度旋转走廊效应”看，就会明白我的意思了。

Black holes and multiple universes are an easy enough sell, but try the room temperature spin Hall effect on for size and you'll see what I mean.

youdao

然后我使用旋转锉，你知道，让它有V型。

Then I used the rotary rasp to, you know, V it out.

youdao