用户不需要像呼叫 Siri 那样字正腔圆，甚至不需要张开嘴，只需要在喉咙里「默读」指令，眼镜腿上的传感器就能精准识别。
It is a live vaccine which means it contains a weakened version of the chickenpox virus. As such, it is not recommended for those with a compromised immune system because of an illness like HIV or as a result of treatment such as chemotherapy.
，更多细节参见51吃瓜
console.log('Stream canceled:', reason);
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