Bao Xiaoting felt incredible, staring at her eyes and speechless.

"So how did he make the loudspeaker make noise? Got your hands on the megaphone? ”

Fang Xu said: "Impossible, I have checked the loudspeaker, and there is no problem." ”

Wu Zhengyi shook his head and said: "You don't need to use your hands and feet, just carry something that affects the current, as soon as the time comes, the loudspeaker will naturally emit this noisy sound when it is disturbed by the current." ”

Then, Wu Zhengyi looked at Qingfeng and said, "How is it?" I'm not satisfied with this inference, right? ”

Qingfeng said: "Satisfied, very satisfied, I admire your imagination." Anyway, there are a lot of you now, whatever you say, just think I did it. ”<

"The Case in Red" Chapter 54 Reasoning 3 is in the middle of the hand, please wait a moment,

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