science fiction
US /ˈsaɪəns ˌfɪkʃən/
UK /ˈsaɪəns ˌfɪkʃən/

1.
ficção científica
a genre of speculative fiction dealing with imaginative concepts such as futuristic science and technology, space travel, time travel, parallel universes, and extraterrestrial life
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I love reading science fiction novels, especially those about space exploration.
Adoro ler romances de ficção científica, especialmente aqueles sobre exploração espacial.
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Many classic science fiction films explore themes of artificial intelligence.
Muitos filmes clássicos de ficção científica exploram temas de inteligência artificial.