sci-fi
noun/ˈsaɪ faɪ/
/ˈsaɪ faɪ/
(abbreviation SF)
[uncountable] (informal)- science fiction (= a type of book, film, etc. that is based on imagined scientific discoveries of the future, and often deals with space travel and life on other planets)
科幻小说（或影片等）