Which he did by passing gases, if you will, through a porous barrier.

如果你愿意的话，他通过让气体通过多孔屏障来做到这一点。

When passing gas, you say " Sorry" , no, " Excuse me" , you say " excuse me" , remember?

放屁的时候， 你说“对不起” ，不，“Excuse me” ，你说“Excuse me” ，记得吗？

Just about anything in the animal kingdom with a rear end can and does fart, and passing gas can have a lot of different purposes.

动物王国中几乎所有有尾部的东西都可以放屁，放屁的目的也很多。