旁白功能会以语音形式为你描述屏幕上的内容，包括电池电量、别人的来电，甚至是你正在点按的 application。你还可根据个人需要调整语速和音高。You signed in with Yet another tab or window. Reload to refresh your session. You signed out in An additional tab or window. Reload to refresh your session