Chapter 3551

"That's true." Yuan Yisheng said, "in fact, it's sometimes very simple to kill a person with chemical knowledge, such as explosion, poisoning, or..."

His voice paused, and his dark eyes looked at her faintly.

For a moment, Yi Qianjin only felt her heart beating wildly, and an inexplicable sense of crisis came into being. It was like a physical instinct urging her to escape from the boy in front of her.

However, how can there be such a feeling?

"That's why we should pay attention to the safety of these chemicals, or it will be bad for people who want to use them." Yi Qianjin quickly interrupted the tunnel.

"Yes, it's time to pay attention to safety," Yuan Yisheng said.

"What about you? Did you choose chemistry because you like chemistry?" she asked another topic.

"Just some interests, different chemicals, combined together, will form different reactions, which can save people or kill people. Don't you think it's very interesting?" he said.

"Er..." it was the first time she heard people describe chemistry like this. "I feel dangerous."

"What do you like, the piano?" she asked.

"Yes, I really like the piano," he admitted. "I even thought that the piano was something I had to work hard for all my life."

"Then why don't you choose the music department?" she said strangely.

"Because it's useless," he smiled.

"Useless?" she frowned and didn't agree with him. "How can it be useless? Music can cultivate sentiment and make people happy. Even like me, I learned music therapy and can use music to treat patients in the future."

"But what's the use?" he asked jokingly. "If you leave a musician in a deserted place, you will find that music has no effect on your survival except self satisfaction."

She said, "anyway, music can be used as spiritual food and decompression. Even in war, music can boost morale!"

"Usually people who say such words are people with rich material resources. In case of famine, no one will think of music. As for the war, the encouraging effect of music is based on the premise that you still have a sufficient number of soldiers during the war, otherwise, it has no effect at all."

Yi Qian Jinbei bit his lower lip with his teeth. It was clear that the person in front of him played the piano so well, but he was talking to her about music.

"Since it's useless, why do you always practice in the piano room?" she said.

"That's to remind myself that I don't want to forget something," he said. Only after practicing the piano again and again can he constantly tell himself to be cruel and not soft hearted. The significance of his return is to end those unfinished hatred in those years.

"Don't forget anything?" she asked involuntarily.

"Do you want to know?" he stared at her.

She found that what she said just now seemed to be prying into his private affairs.

"Well, i... I'm just asking. I'm sorry. I shouldn't have inquired into your private affairs." she said quickly.

"I'm not interested in telling irrelevant people about my private affairs," he said, turning to continue his experiment.

She watched quietly. When they got out of the laboratory, she found that it was dark.

Just then, Yi Qianjin's mobile phone rang. Yi Qianjin took out his mobile phone and saw that it was Shen Jifei's call.

When she connected, Shen Jifei's voice came from inside, "Xiaojin, where are you? I heard from the people in your bedroom that you didn't go back to your bedroom this afternoon?"

"I'm outside now and I won't be back to school until later," she said.

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