folder
noun [ C ] uk/ˈfəʊl.dər/ us/ˈfoʊl.dɚ/
(FOR PAPERS)
A2 文件夹
a piece of plastic or cardboard folded down the middle and used for keeping loose papers in
(COMPUTER)
B1 （计算机的）文件夹
a place on a computer where files or programs can be stored