.N-UNCOUNT(泛指的)东西,物品,玩意儿You can use stuff to refer to things such as a substance,a collection of things,events,or ideas,or the contents of something in a general way without mentioning the thing itself by name.
例句:
I'd like some coffee,and I don't object to the powdered stuff if it's all you've got...
我想来点咖啡,如果你只有速溶的那种也可以.
I don't know anything about this antique stuff...
我对于这种古玩物件一无所知.
'What do you want to know?'—'About life and stuff.'...
“你想知道些什么?”——“关于生命之类的东西.”
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Stuff 你可以理解它是 “物质、材料“ 一类泛指的意思,因此是不可数名词.