Apple recently previewed a feature called "Point and Speak" that does exactly this. https://www.apple.com/newsroom/2023/05/apple-previews-live-speech-personal-v

Apple recently previewed a feature called "Point and Speak" that does exactly this. https://www.apple.com/newsroom/2023/05/apple-previews-live-speech-personal-voice-and-more-new-accessibility-features/ https://www.apple.com/newsroom/2023/05/apple-previews-live-s...