Run Terminal.app then use the following command:
open /Applications/Google Chrome.app --args --enable-speech-input
This will launch it once using your parameter. From there you could make an alias to make it easier to launch from the terminal or write an AppleScript to make it double clickable.
Find more information here.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…