Stuff box: Large box on the papermaking machine where stock is diluted and stored.

浆料箱：造纸机上，盛载和稀释浆料的大箱。

youdao

The stuff that's inside the reacting volume, and whatever's right around it there inside the big box, it's all going to heat up.

都会升温，对吧？,在反应容器里的东西,以及大箱子里的任何东西，他们都会变热。

麻省理工公开课 - 热力学与动力学课程节选

Ballots from previous votes are burned, which makes it harder to use one to stuff the ballot box.

CNN: How secure is the papal election?

Spurs raised their game and started to play some nice stuff around the box, but there was little real danger for Cech to deal with.

BBC: Chelsea 2-0 Tottenham

It was a box of stuff.

CNN: Transcript: White House Deputy Counsel Mills' statement