From the bank of the river, in the distance, there was a hill a few miles away, and there was a row of caves on the hill, which were the dragon's dens dug by the dragons, which were dug out in the harder strata, and the caves had doors, and at night, the entrance could be blocked to prevent wild beasts from invading.

This more advanced architecture, which Zhang Jun had already taught to the Flying Dragons of Dashan and the Colorful Flying Dragons of Nanxiong, had previously built relatively simple caves in caves, and they themselves would not have built simple buildings using materials such as stone, wood, and earth.

It didn't take long for Zhang Jun's skills to be passed on to these juniors, and they learned the skills of adding stones and other materials to the dragon's nest, which could make the dragon's nest stronger and more durable, and the functions of rainproof and beast invasion had been taken into account, and the safety of the dragon's nest was greatly improved.

Zhang Jun's dragon's nest is located in the center, from his small hill, you can see the dragon colony of the mountain in the distance, sometimes Zhang Jun let out a few roars, you can summon them over, Fei Ge will often visit the rest of the dragon group gathering place, pass Zhang Jun's orders, and comfort these juniors, sometimes bring food, replenish the dragon group that has been in difficulty recently, because sometimes they will feel the embarrassment of lack of prey.

Colorful Wyverns hunt farther, so they tend to find food farther away, and usually guide the dragons to hunt farther away, and they often cooperate to hunt, so that the success rate will be higher.

After a period of time, both the Colorful Wyvern and the Flying Dragon began to correct their accents, and gradually began to learn the orthodox dragon language, and everyone's communication gradually became smoother.

Zhang Jun began to use scientific statistical methods to record the changes in the number of nearby animals and the patterns of their migration, which was of great help for future hunting, and in the season when prey was scarce, Zhang Jun could travel long distances to the new habitat of the prey to catch more abundant prey.

After a long period of observation, Zhang Jun did not find that the sword tiger clan crossed the desert area and invaded the African region, at this time the closest to Africa was the remnant of the sword tiger, they also began to breed in the Israel region, for a while, they did not know where the dragon group went, and gradually forgot the dragon group.

The peaceful life unfolds slowly, Zhang Jun usually hunts in addition to cultivation, sometimes the prey will be provided by his subordinates, he doesn't have to take action personally, another important task is to teach Long Qun some skills, and some skills that several ancestors don't understand, that is, of course, the skills in Zhang Jun's memory in his previous life.

These skills would not have been of much significance if they had been taught to dragons in the past, when nearly 300 dinosaurs and wyverns had gathered along the river, and such a large population would have required more skill to meet the food needs.

Zhang Jun's plan is to let the dragons master some production skills as soon as possible, mainly those related to hunting, if the dragons can eat herbivore, then he doesn't mind teaching them planting skills, but none of the dinosaur tribesmen are omnivores, they are all pure carnivorous animals, so planting this skill is not very meaningful.

The early morning sun shone obliquely on the earth, covering the jungle and grassland with a golden color, and everywhere there was the sound of birds chirping, and the sound of insects in the meadow came from not far away.

After resting in the dragon's nest for a few hours, Zhang Jun got up at five o'clock in the morning and began to sit cross-legged on the futon, absorbing cosmic rays from outer space.

As usual, Zhang Jun didn't feel much change in his body, his internal force actually stopped growing since it started more than 100 million years ago, what increased was only the experience of using internal force, and the new interpretation of exercises such as iron sand palms, and the fusion of the star spirit crown was also endless.

After Zhang Jun received the work, he stretched a lazy waist, walked to the door from the dragon's nest, the door was blocked by a large wooden door, the wooden door was fifty centimeters thick, there were more than a dozen thick rolling wood under the wooden door, the wooden door was supported on it, Zhang Jun only needed to push the wooden door hard, you can push it into the gap in the wall, so that you can open the wooden door, and before going to bed at night, you can pull the wooden door out and close the hole, although it takes a little strength, this is not a test for Zhang Jun.

After Zhang Jun came out, he stood at the door to absorb the fresh air for a while, basking in the sun, and soon, a door not far from the door next door opened with a bang.

What came out of it was the bald head, he got up first, his wife was still sleeping in it, the bald man had a task these days, so he got up early, he was holding a rolled up bamboo tube in his hand, but it was not actually a bamboo tube, it was a bamboo slip made by the bald head according to Zhang Jun's meaning.

The bamboo slips are made of green bamboo, and some hemp rope is used in the middle to penetrate the holes and tie the bamboo pieces together, which is very similar to the bamboo slips used in ancient China, which are made by Zhang Jun according to his memory to make the bald head.

The bald man took the bamboo slip and walked over to Zhang Jun, and when he saw that Zhang Jun was closing the closing ceremony to recuperate, he immediately coughed lightly a few times, and then Zhang Jun opened his eyes, looked at the bald head a few times, and saw the things in his hand, and his eyes suddenly lit up.

"Chief, this is the bamboo slip you wanted, I have been doing it for several days, and it is finally done." The bald man immediately handed over the bamboo slips, and Zhang Jun stood up and took the bamboo slips.

"Okay, your craftsmanship is the most trustworthy for me, and it is necessary to leave this matter to you." Zhang Jun gently touched the surface of the bamboo slip with his hand, felt its exquisite craftsmanship, and then praised the bald head.

The bald man smiled lightly, and then asked, "Chief, you said that this bamboo slip is very useful, what is the use?" ”

The bald man couldn't figure out why Zhang Jun asked him to do such a strange thing, Zhang Jun hadn't talked about it before, so he immediately explained: "Actually, I haven't talked to you many times about this matter, but I don't have the time and foundation to realize it, at this time we need to start studying it, it is the text I told you." ”

"Words?" The bald man had heard Zhang Jun mention it many times, and he was immediately puzzled.

Zhang Jun once discussed the meaning of words with several ancestors, and Long Qun can only use language to communicate now, and cannot record in words, which means that teaching them production techniques can only be taught by hand, and they cannot be taught through words, which is a waste of time and energy.

The significance of words has long been proven by human history, so Zhang Jun felt that it was necessary for him to let Long Qun master this skill in advance, and master words before other intelligent creatures, so as to promote the rapid development of production and life.

"Yes, the purpose of I asked you to make bamboo slips is to use it to record words, from now on, we will convert the language of the dinosaur clan into words and record them on the bamboo slips, so that the descendants of the dinosaur clan can learn words, so as to promote their use of the brain and help them master and learn skills in a new way." Zhang Jun nodded in response, his eyes full of expectation.

The bald man had already heard the meaning of words, so he immediately relieved his doubts: "It turns out that this kind of bamboo slip has such a big use, I really didn't expect it." ”

"However, how to engrave the words spoken by the leader on this bamboo slip, is it better to use a bone spear or a stone knife to carve it?" Then the bald man raised another question.

The bald head is very sober-minded, if according to the order of human language, it is true that the ancients burned the text on some shells, or turtle shells to preserve, so as to slowly evolve and gradually enrich the language connotation, but Zhang Jun understands more advanced written expressions, so he will not re-explore ancient text expressions such as oracle bone inscriptions, and then shook his head and said: "I have invented a pen, with this pen dipped in colored water, you can write words on bamboo slips, which is very different from burning, Not carved, but written. ”

"Pen, write?" The bald man reached out and scratched his head, the new words making him feel further puzzled.

Zhang Jun glanced at his bald and confused eyes, and responded: "The pen is a tool, a tool that we have not used before, and it is a special tool that I specially make for writing words, and you will know later how I use the pen to write words." ”

Zhang Jun knew that the bald man was very smart, and as long as he demonstrated it himself, he would immediately understand what was going on, and then he turned around and walked into his cave and took out a strange pen.

The pen invented by Zhang Jun also uses the mane of a horse as the nib, which is a brown mane, but the barrel of the pen is very different from that used by people, this pen barrel is very strange, and a small section connected to the head of the pen is very thin, only a little thicker than an ordinary brush, but the back of the pen is very thick, as thick as a person's forearm.

Zhang Jun's purpose is actually very simple, because the dinosaur's arms and palms are relatively thick, and the softness is not as good as human hands, so they must use such a large pen barrel, they can hold it, hold it steadily, in order to facilitate their writing, this pen is only half a meter long, and it is also very easy to carry, of course, this is just a prototype, and the structure of the pen can be improved according to the use in the future.