He unconsciously walked into the library, walked to the row of garden flowers, picked up a book and started reading.

This is a habit that has been developed in many cycles before, so that this matter should have an outcome. Ji Yun still instinctively walked to the library and picked up a book...

If this clue is broken, I'm afraid it will be difficult to bring down Deng Sheng.

"Classmate, can you lend me the book you have?" A teacher wearing thick glasses asked.

"Oh, here you go." Ji Yun casually handed the book to the other party.

Ji Yun already knew the contents of the book by heart, and it was just a habitual action to take it down just now.

The thick-glasses teacher took the book, then curled his lips and handed the book back to Ji Yundao: "It's not this one. I wonder who borrowed that one. How come it wasn't registered?"

Ji Yun is actually very familiar with this chemistry teacher. Every time before, she would come over to find a book.

Ji Yun didn't pay much attention to it, but this time the other person seemed to think that he was getting the book she needed, so he came up to ask.

"Teacher, which book are you looking for? I'm familiar with this book." Ji Yun asked casually.

"As for some uses of c10h15no, well, why am I talking to a student like you? You don't understand even if I tell you," the chemistry teacher said.

"Ephedrine?" Ji Yun said.

"Hey, how do you know this?" The chemistry teacher adjusted his glasses and looked at the freshman in high school in surprise.

Although all junior high and high school students learn chemistry, it is not uncommon to know the characteristics of sodium and the theory of redox and other textbooks. However, it requires a certain amount of chemical knowledge to be able to be known by others when you casually say the chemical formula.

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Chapter completed!