直到发际会听到“哔哔”的声音，此时红灯亮起提醒您检测曾经完毕。

You will hear a beeping and a red light will blink to indicate a measurement is taking place.

youdao

直到发际会听到“哔哔”的声音，此时红灯亮起提醒您检测曾经完毕。

You will hear a beeping and a red light will blink to indicate a measurement is taking place.

youdao