fù​běn

copy

副本 fù​běn
copy noun
a duplicate copy or transcript of a document or file

Please keep a copy of the contract.

dungeon noun
an instance or private team mission in online games

We are teaming up to run a dungeon tonight.

Frequency

Movie subtitles
4.08 per million appears in 2% of films
Written text
3.60 per million

Sources

Definitions
CC-CEDICT