iOS15 原生的翻译 App 支持全局划词翻译了？

https://www.apple.com/hk/en/newsroom/2021/06/ios-15-brings-powerful-new-features-to-stay-connected-focus-explore-and-more/

Translate adds a new Live Translate feature that makes conversation flow naturally across languages. Systemwide translation allows users to translate text anywhere on iPhone.

这个功能太重要了，现在的翻译 app 不能划词翻译太麻烦了。