science fiction
noun [ U ] uk/ˌsaɪəns ˈfɪk.ʃən/ us/ˌsaɪəns ˈfɪk.ʃən/ (informal sci-fi); (also SF)
B1 科幻小说;科幻电影;科幻卡通片
books, films, or cartoons about an imagined future, especially about space travel or other planets
a science-fiction novel/story 科幻小说／故事