▍原文 OpenAI says the latest version of its text-to-video artificial intelligence (AI) tool Sora was downloaded over a million times in less than five days - hitting the milestone faster than ChatGPT did at launch. The app, which has topped the Apple App Store charts in the US, generates ten second long realistic-looking videos from simple text prompts. But its handling of copyright material - and the images of dead public figures - has attracted significant criticism online despite the growth. ▍語言點 1. milestone /ˈmaɪlstoʊn/ n.（發展中的）重要階段或重大成就； 里程碑 2. hit /hɪt/ v. 達到（某個數量、水平或目標） · The new song hit 10 million streams in its first week. 這首新歌首週播放量就達到了一千萬。 3. launch /lɑːntʃ/ n.（產品或服務的）發布，推出 4. top /tɑːp/ v. 達到頂端，位居…之首，排名第一 5. chart /tʃɑːrt/ n. 排行榜 · the music chart 音樂排行榜 · the popularity chart 人氣榜 · the best-seller chart 暢銷榜 6. generate /ˈdʒenəreɪt...