I asked blankly, "What is a dog whistle?" Is it a puppy whistling, isn't that a sperm? ”

Zhou Xun said: "It's not a dog whistling, this dog whistle is a kind of whistle for training dogs, but this whistle is very special, the sound it blows can't be heard, but the dog can hear it, and this kind of whistle is used when the army trains military dogs." ”

"Oh, it's amazing, but what is it?" I asked.

Zhou Xun said: "I can't say the specific principle, it seems that the vibration frequency that the human ear can receive is different from that of a dog." ”

I nodded: "That's right, but does this dog whistle you said have anything to do with my situation?" ”

Li Dakui said: "Why don't you understand that the situation you are encountering now is similar to the principle of a dog whistle!" ”

Zhou Xun nodded and said: "Dakui's metaphor is still very appropriate, the person who plays the flute in the dark is like a person who trains a dog, and this group of zombies is like a trained dog,,,"

"Wait!" I hurriedly interrupted, "This metaphor is obviously flawed, if it's a frequency that only zombies can hear, why can I hear it too?" If I can hear it, you should hear it too! ”

Li Dakui smiled and said: "There is only one explanation for this situation, that is, you Wang Yixuan are not ordinary dogs,,, no, no, not ordinary people!" ”

This seemed to be the only explanation, but I was a little distressed because the tone of the flute was so harsh that I began to get distracted and had a headache after listening to it, and even my normal activities seemed to be affected.

What worries me most now is, if I meet someone who plays the flute, won't I be completely abused by that person because of this special ability?

Li Dakui and Zhou Xun guessed what I was thinking, and they comforted on the side and said: "You don't have to worry, there is only one person who plays the flute, we have so many masters here, or our chances of winning are better!" ”

When we returned to the hotel, Sun Xingmin came up to us and said, "Thanks to all the masters tonight, otherwise there will definitely be zombies rushing out of the encirclement!" Hey, Mu Sheng, your face is very bad, are you injured, hurry up and ask Dr. Hua to help you take a look. ”

It was only at this time that I found out that in the open space in front of the hotel, one military tent after another had been erected, and the wounded soldiers were lying in them, and now Hua Jiuxiao was organizing medical personnel to give first aid, and Gao Han was also helping on the side.

Hua Jiuxiao's speed of dealing with the wound was very fast, which made the medical staff standing on the side stunned, and after a long time, she breathed a sigh of relief after treating the last wounded, and said to the people around her: "It's a pity, there are three soldiers whose injuries are too serious, and I can't do anything about it, but the rest are out of danger, as long as you rest and recuperate for a while, you can heal." ”

Then the medical staff took over Hua Jiuxiao's work, and she walked over quickly when she saw us returning.

Nangong Wushuang greeted him with a cheeky face, and said with a smile: "It turns out that Miss Hua is a doctor with excellent medical skills, this is really surprising, don't hide it from Miss Hua and say, I also have a few medical books and classics handed down from my ancestors, but no one can understand the mystery, I think it is better to wait for the matter here, Miss Hua will live in the cold house for a few days, and we will study the medical books together to solve ,,,Hey,,, Miss Hua, you ,,,"