At the earthen house, Yuzai was telling Wen Ming and Ehuang about geology. A large wooden board was set up. There were several used wooden boards beside Yuzai. He used charcoal sticks to write on them and animal hair. As an eraser.
Both Wen Ming and Wen Ming also have the same equipment, but their wooden boards are much smaller than those of Yu Zai, and the charcoal stick only has a head, which makes it easier to sit on.
Two big rocks, three people, and a pile of wooden boards.
Wen Ming had never heard of those novel sayings, and he was eager to learn them. But Ehuang, on the other hand, kept learning, and gradually began to fail to understand them.
While thinking and understanding, the charcoal stick fell to the ground.
Yu Zaigang put on the fifth plank.
Ehuang bent down to pick it up, then sat up again.
She was stupid.
"...when rock layers are formed, they are generally horizontal. Under the action of tectonic movement, the rock layers bend due to stress. A bend is called a fold. If a series of wavy bending deformations occur, it is called a fold. ....”
"Then what is tectonic movement? To put it simply, a force appears in the earth, causing the surface, mountains, and even the entire rock layer to shift and deform... This is reflected in the outside world in the form of huge earthquakes... .And folds, fractures, trenches, mountains and deep valleys are all guided by this force..."
"The so-called 'high banks form valleys and deep banks form mausoleums', or even 'mountains have no mausoleums, rivers run out, and heaven and earth merge'. These are all situations that may occur during geological activities... What we know is that a thousand years is The sea has changed a lot... and geological activities are often calculated based on thousands or tens of thousands of years, increasing to tens or millions of years..."
"These numbers must have been taught to shamans from all tribes. There won't be anyone who doesn't know them..."
Yu Zai drew an entire board picture on a large wooden board, and then used charcoal to circle the entire knowledge point!
Ehuang (dementia).
She bent down and picked up the charcoal stick. How could it become like this!
Teacher, can you rewind x16 quickly?
"Okay, do you understand?"
Yu Zai asked the two of them, and Wen Ming responded: "I understand."
Emperor E: "I didn't..."
Yu Zai: "Okay, let's move on to the next key point of knowledge!"
Ehuang people were speechless, why did it happen like this? Although they said that if they were distracted in class, they would not be able to keep up with the progress, but they just squatted down and picked up the pen! And I haven’t even finished speaking. Do you think I’m air?
E Huang suddenly felt a little resentful towards Yu Zai.
I'm a poor student, so you can't do this to me! And there are only two students in total!
Anyway, the class was over in a hurry. Ruan Zai said that during the break, if you need to go to the toilet, you can go now. Wen Ming immediately said: "Brother Zai, what is the geological phenomenon of Shan Wu Ling?"
The teacher was very happy to ask questions in the courseware, and Yu Zai did not hesitate to answer at this time: "This is the weathering phenomenon and the effect of transportation."
The mountain has no mausoleum, the sky and the earth are united. This is not from the Qing Dynasty love drama Ziwei Erkang, and Qiong Yao also changed "ling" to "ridge". In fact, in the poem, the mausoleum originally expressed the meaning of "mountain" , so this is superfluous behavior.
This poem is a famous passage in the Yuefu folk song "Shangxie" of the Han Dynasty. "Shangxie" is one of the "Eighteen Songs of Cymbals" and belongs to the Yuefu "Advocacy Songs".
The full text is: "Shangxie! I want to know you, and live forever. There are no mountains, no mausoleums, no rivers, no thunder in winter, rain and snow in summer, heaven and earth are harmonious, so I dare to be with you!"
However, mountains and rivers will really disappear. Shanwuling is a famous phenomenon of weathering and transportation. When it comes to weathering, everyone should be familiar with it. It is eroded by nature. After rocks are destroyed, disintegrated, and corroded, they are destroyed by the wind. , water, clouds, glaciers, gravity, etc. transfer the remaining dust materials out. This is transportation.
So after tens of thousands of years have passed, if there are continuous disasters in the world, it is very likely that the mountains will disappear, the rivers will dry up, and the entire world will change.
After Wen Ming got the answer, he was immediately amazed.
"It turns out that heaven and earth already have such great power. The wizards' so-called great ability to move mountains and seas is just a small part of the power of heaven and earth, and it is displayed immediately..."
"It just shortens the years and weakens the power, so it is far less powerful than the changes in the world itself..."
Wen Ming was sighing, but Ehuang was finally able to speak. She couldn't ask questions, but she could argue.
Although Ehuang didn't want to imitate her elder brother, at this time, she did have a big problem that she was holding back and she had to get it out.
"How did Da Zai know it? If it is really based on thousands or ten thousand years, or hundreds of thousands or millions of years... I can't even imagine those long years. Since ancient times, Guangchengzi and Bai Zigao lived for fifteen hundred years and Yu Huazi lived for more than two thousand years, but their ages were not worth mentioning in such a long time!"
Ehuang said it himself, and he couldn't help but feel deep awe in his heart.
Awe of nature!
Yu Zai nodded at this time: "That's a good question! This is exactly the key point I am going to tell you!"
"Weathering can be seen when ordinary sand is blown by the wind, and in the western desert... the geological phenomena are as follows... Sometimes you can see the whole picture by looking at the big picture, But it’s better to do on-the-spot investigation…”
"Here I want to talk about the issue of geological time. For example, I once met a person who found seashell fossils in mountains and rivers..."
Yuzai's voice gradually left his ears, and Ehuang fell into his own questioning and thinking.
Thoughts about time.
At this time, the years suddenly seemed long.
"The Longbo people lived for eighteen thousand years in ancient times, but in the face of the changes in the world, they were just a basic unit. Guangchengzi and the others were only one-tenth of a ten thousand-level unit, and they were the basics among the basics... ..And the big Chinese chrysanthemum tree, which has eight thousand years of spring and eight thousand years of autumn, looks extremely small in this span of time..."
(Voice of Yu Zai: "I met a god named Shuhai. He came back from the East China Sea and said that he saw people from the Mingyi Group measuring the tides and found that the rise and fall of the tides were related to the waxing and waning of the moon, so he said , there are knowledge points everywhere in life, you just need to be good at observation...)
At this moment, Ehuang suddenly understood why many of those Qi practitioners advocated doing nothing, why many people liked to hide from the world, and why they were so eager for immortality...
Because at their age, hundreds of years and thousands of years have been like a dream, but it is just a big dream. Watching the world change, old friends grow old, and their hearts gradually become numb. Only those who are also Qi Refiners can feel a trace of each other's humanity. "Reality", and they have already lived forever, so they know how long the life span of heaven and earth is!
(Narration by Yu Zai: "Wen Ming, as long as you observe carefully, you will be the new Leeuwenhoek...ah, you ask me who he is, he is a man of God who observes meticulously and meticulously, all by squinting. Have you ever heard of the man who sees the world through the tip of a needle? Leeuwenhoek doesn’t open his eyes, he will kill someone if he opens them...)
Ten years of planning, a hundred years of achievements, a glorious country, a prosperous tribe, in the eyes of the sect of Qi practitioners, it is really just a beautiful dream. After a hundred years, these dreams will be shattered. , and then collapse into yellow dust.
So nothing changed, only the quiet world silently told everything about the past!
Ehuang suddenly felt depressed and felt the sadness of "I'm sorry for being born as a human being".
(Zuan Zai's voice: "Hey, Ah Huang, what are you doing? It's class... are you paying attention?")
She suddenly became depressed.
There is no point in living!
"Just like a cicada, it is born in a hurry and dies in a hurry. It sings in the summer without knowing the spring and autumn!"
Ehuang said something extremely depressed. Yuzai, who was about to curse someone, heard it and waved a wooden ruler in front of Ehuang's eyes!
The sound of a cry startled her awake, and Yu Zai said directly: "Are you feeling sorry for your big brother! Adult cicadas can only live for eighty days, but their larvae can live underground for three years. In addition, there are two kinds of cicadas, one One species can live for thirteen years, and one species can live for seventeen years. Who told you that cicadas don’t know the spring and autumn!”
"Don't stop studying hard just because you are handsome!"