外婆语速也很慢，一句话要重复很多遍，有时忘记按下说话键或误触其他按钮，导致一个简单的问题会重复很多轮对话。
Антонина Черташ
，更多细节参见91视频
: ZDNET independently tests and researches products to bring you our best recommendations and advice. When you buy through our links, we may earn a commission. Our process
What is a stream?