kē huàn / diàn yǐng / cháng cháng / bǎ / wài céng kōng jiān / miáo huì chéng / chōng mǎn / wèi zhī / de / huán jìng科幻电影常常把外层空间描绘成充满未知的环境。Science-fiction films often portray outer space as an environment full of the unknown.