Zhang Feng couldn't figure it out.
But he didn't want to think about it anymore.
He could just go back and ask. It was useless to think about it.
He originally wanted to go back and check on the potato sprouts, but after thinking about it, he decided to go back to Chang 'an University first. .
When Zhang Feng arrived at the Academy, it was almost noon.
He hadn't been to Chang 'an University for a long time. It was still the same, but it was a little cleaner than before.
There were many unknown flowers and evergreen trees in the courtyard. The whole courtyard was filled with the fragrance of osmanthus, making the whole Academy seem to be in a sea of flowers.
Li Chengqian and the others were sitting in the study hall of Chang 'an University, bored to death.
When Zhang Feng came in, they stood up as if they had been electrocuted.
It was also the first time that Zhang Feng gave a serious lesson in such a place.
The walls around the study hall were hung with poems and ink paintings of great masters, both ancient and modern. Behind Zhang Feng, which was above the lecture hall, there was a portrait of Confucius that was as tall as a man, and there were three incense sticks burning in front of it.
Zhang Feng looked at the portrait of Confucius, then turned around and said, "Do you know why I'm here to give you a lesson today?"
They didn't know what Zhang Feng was going to do. They shook their heads and sat still.
At the moment when Zhang Feng started the lesson, they all lit up a cigarette at the same time, which made Zhang Feng confused.
"What are you doing?"
The few of them were also taken aback.
Zhang Feng waved his hand and pointed at Fang Yiai. "Yi Shuang, tell me, what's going on? Who said that we can smoke in class? "
Fang Yiai was stunned.
But he still said, "Mr. Dean, Mr. Zihuai and Mr. Wen Ji said that smoking can help one's mind, so we can smoke in the University."
There was such a damn reason?
Zhang Feng was confused.
Since when did smoking become a good match for this?
Zhang Feng glared at Cheng Chumo and the others. Seeing them nod their heads, he was speechless. He patted his forehead to lower his blood pressure a little before saying, "From now on, if anyone dares to smoke in my classes or when I do experiments, Lao Tzu will break their legs!"
"…"
This time, Li Chengqian could no longer sit still. ,
He was the Crown Prince.
He had to take care of this matter!
"Fengzi, where did this come from? Indeed, after smoking this cigarette, you won't feel sleepy, and you can even replace your spirit. Even Mr. Bo Shi and the others in the academy didn't say anything! "
"So, according to you, Lao Tzu didn't keep his word?"
Zhang Feng was also anxious.
This time, Li Chengqian was speechless.
He cupped his fists and sat down.
'You're awesome, so whatever you say goes.'
However, Fang Yiai was different. He quickly asked, "Sir Dean, what do you mean by that?"
Seeing that there was finally someone who knew what was good for him, Zhang Feng's mood calmed down a little. He said, "Although this thing is good, eating too much of it can also become poison! I advise you to wait. If you have nothing to do, it's better to smoke less. Don't you think it's suffocating? "
After Zhang Feng finished speaking, the few of them could not help but twitch their noses. They stared at the gray room and said, "No!"
Zhang Feng was completely speechless. ,
He waved his hand and said, "I don't care when you're in classes like this, but try to smoke less. However, when I do physics experiments in the future, if anyone dares to let me smoke, Lao Tzu will really beat him to death!"
The few of them were even more confused.
They could smoke one moment, but they couldn't the next. What did that mean?
"Teacher, may I ask why we can't smoke in physics experiments?"
Zhang Feng was speechless. "It'll explode!"
"What do you mean by explode?"
"Explode. It means that everything we're sitting in, and this house, will go up into the sky. There won't be anything left!"
When the few of them heard that, they could not help but be shocked.
They could not help but think of the scene of the heavenly lightning striking the ground. ,
Could it be that doing an experiment was so dangerous?
Oh my god, what kind of magical thing was that?
It could cause such a big commotion?
The few of them could not help but feel a surge of excitement.
Although they did not know what the mysterious experiment was before, when they heard Zhang Feng say that, they were really looking forward to it.
Of course, they automatically filtered out Zhang Feng's words about the explosion.
Who knew what the explosion was?
Moreover, it was autumn. How could there be such an explosion?
Feng Zi also said that as long as they did not smoke, it would be fine. Then, wouldn't it be fine if they did not smoke?
Zhang Feng did not know if the few of them understood, but when he saw that their faces were shining with excitement, he could not help but feel a little speechless.
Alright, alright. Smoke less in the future.
Zhang Feng stopped being long-winded and began to explain the formal physics lesson to the few of them.
The so-called formal was actually junior high school physics.
For the elementary school part, Zhang Feng had already explained it to them previously. For this test, Zhang Feng also did a simple test. Although it was not satisfactory, it was still considered a pass.
Moreover, they were basically familiar with what they needed to learn. A small experiment of extracting phosphate fertilizer did not need to be too complicated.
This lecture lasted for a full four hours. It was only when Zhang Feng was dizzy from hunger that he stopped.
However, when Zhang Feng walked out of the study hall, Jia Daoren was standing at the door with a face full of smiles. He bowed and said, "Master, the workshop on the mountain sent ten big wooden boxes. They said that you must open them personally, so I've brought them over for you!"
Zhang Feng was overjoyed when he heard that.
After sending Jia Daoren away, he carefully opened the boxes.
The boxes were full of hay. However, in the middle of the hay, there were transparent and strangely shaped things.
Zhang Feng was wild with joy when he saw it, but Li Chengqian and the others were like monks.
They were confused.
Even after racking his brain, he still couldn't figure out what these things were.
In the end, the few of them compromised. They squatted beside Zhang Feng and touched the transparent things that Zhang Feng placed one by one on the ground. They asked, "Feng Zi, what are these strangely shaped things?"
"What are they used for?"
When Zhang Feng heard that, he held up an object with a big belly and an abnormally long neck. He said, "This thing is a treasure. It's an indispensable thing for experiments. It's called glass. The newer model is called glass container!"
"…"
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