Room lights reflected from a balcony railing out there.

房间的灯光从外面的阳台栏杆反射出来。

Narrator: To make the car crash through the guardrail, Dan built a piece of the rail out of beaded foam.

旁白：为了让车撞穿护栏，丹用泡沫塑料做了一块护栏。

Then pulling the rails out and wiping off all the surface to remove the bits that is stuck. There was all sorts of rubbish on there.

然后拉出带子，擦拭表面，去除粘在上面的东西，各种各样的杂质。