See you soon Douluo

Chapter 57 Poseidon
  Although Cheng Ying has been tempted, knowledge is still a precious thing in this era, so he has to act more reserved.

"What can you do when you go to sea alone? Navigation is not something that can be accomplished by one person. You didn't realize that I had to bring these 800 sailors to launch this giant ship. If you really want to find your loved ones, you might as well ask me for help. You search the sea a few times."

"But I..." Bo Lan didn't really lose her parents in the first place, and it was difficult to refute because the feelings were not brewing well for a while.

"Teacher, don't you always say that it is better to teach a man to fish than to teach him to fish? How can you replace Bo Lan in navigation and teach her the skills of long-distance navigation?" Cheng Ying looked at Tang Chen who stood up to help, and couldn't help but I put one hand on my forehead and thought to myself, where are you from?
  "You have to think clearly. Knowledge is priceless and it is impossible to teach it to you. Of course, if you formally become a disciple, that is a different matter. Otherwise, I can only teach you some superficial things." Cheng Ying I feel that this should be able to smoothly accept another apprentice.

Unexpectedly, Bo Lan hesitated, and after a while he said: "I'm sorry, I'm afraid I can't accept you as my teacher."

"You already have a master?" Cheng Ying was confused. She didn't look like she had a master!

"No, it's just that for some reasons, it's not convenient for you to become a disciple. I can treat you like a teacher, but I'm afraid I can't become a disciple..." Seeing that Bo Lan's troubled expression didn't seem to be fake, Cheng Ying couldn't help but raise his eyebrows.

From all aspects, Bo Lan has no reason to refuse to become a disciple, unless... it is because her identity is not suitable. Reminiscent of the original work, she stayed alone on Poseidon Island for nearly a hundred years, just to wait for the successor of the god, and finally returned You have to sacrifice yourself to complete the inheritance of Poseidon. I am afraid that your identity is very special.

"Forget it, if you really don't want to be a disciple, forget it. For the sake of your sincerity, I will teach you whatever I can tell you." Cheng Ying thought of Bo Saixi's words to Tang Chen and Qian Daoliu in the original work. He said that he would only be with the one who became a god. Now that he thought about it, it was probably not just to reject Qian Daoliu. It was very likely that the necessary condition for marrying this girl was to become a god.

Bo Lan also breathed a sigh of relief after hearing this. She was naturally Bo Saixi. As a soul master who was born with the Poseidon Martial Spirit, she was bound to the god as soon as she was born. The soul masters on Poseidon Island all got the power of the god. According to the decree, Poseidon appointed her as a saint and a soul master who specialized in serving Poseidon.

This is undoubtedly a supreme honor for a race that has believed in the Poseidon for generations. Since a saint who serves the Poseidon is naturally not allowed to marry, let alone the teacher. Otherwise, as a teacher, wouldn’t he be on the same level as the Poseidon? .

Naturally, Bo Saixi, who became a saint, gained a revered status on Poseidon Island. She was like the uncrowned king of Poseidon Island. The only restriction was that she could not leave the inheritance of Poseidon.

Unfortunately, Bo Saixi is on Poseidon Island. There are very few people who yearn for freedom and want to see the world. The spirit of adventure, which is the most precious kind of will on an isolated desert island, has not It just happened to the most inappropriate person.

She escaped countless times, but she was either swept back by the sea or captured by the sea spirit beast. Every time she was swallowed by the sea spirit beast and spit out, it was a nightmare experience, as if this was the sea god punishing her The general escape.

This time, I thought I was going to be captured again, but I didn't expect to encounter the World's End passing by. The Sea Soul Beast that captured her was killed directly. With such a huge ship, it was simply the best chance to escape from Poseidon Island.

But she knew very well that the power of the gods was not something that humans could resist. Although the giant ship was powerful, it was unrealistic to take her away without the obstruction of the gods. The result of forcibly taking her away could only be Buried in the sea.

She didn't want to implicate innocent people for her own reasons. She just wanted to learn as much knowledge as possible about crossing the ocean before being caught back, so that she wouldn't be washed back by currents in the ocean because she didn't know the direction.

Naturally, she couldn't take Cheng Ying as her teacher, because that would only harm him. No one knew what kind of character Poseidon was, and if she was particularly cautious, she would definitely not allow her saint to have a teacher.

She was just a fan of the authorities. She had never thought about why she had escaped so many times without any trouble...

In fact, Cheng Ying had almost guessed the truth, so he planned to teach Bo Saixi as much knowledge as possible about navigation. He believed that even if he couldn't abduct her, she would be able to escape from Poseidon Island by relying on her own abilities after learning these things. come out. Then……

Then Bo Saixi realized what the sea-questioning tactic was and what cram-feeding education was. With so few people on Poseidon Island, it was just a dream to make a qualified navigation clock.

If you only know the latitude at sea, you will be drifting blindly. If you don't have a clock to determine the longitude, you can only rely on the stars in the sky.

If you're on Earth, you can look at Jupiter or Jupiter's satellites. If you're in Douluo, you have to re-observe the star map.

Cheng Ying has not measured this data yet, so he has to teach Bo Saixi how to confirm the time by observing the stars, and then let her summarize it herself.

The problem here is complicated. You need to learn the law of gravity! To calculate the movement of stars, you should learn conic sections! Like skillfully using a sextant to observe the stars, you need to learn the most basic analytical geometry!

Not to mention the more complicated ones, just conic sections and analytic geometry, the difficulty is simply terrifying for people who have no foundation at all. Cheng Ying actually wanted to say that if you want to calculate accurately, you need to learn calculus, but after thinking about it, Still not taught, if he really wanted to be more serious, he would probably have to talk about using imaginary numbers to solve cubic equations of one variable. That would take several years of learning, and he wouldn't be able to finish it even if he cracked open Bo Saixi's head.

These days, Bo Saixi was in pain and happiness. Although what Cheng Ying taught was difficult and difficult to understand, and was jokingly called fairy knowledge by several other students, it did benefit her a lot.

Especially after knowing that the thing under her feet was most likely a ball, she strengthened her determination to go out and take a look. The land under her feet was so vast, a circle of 80,000 miles away, let alone Talk about the misty sky.

She may never have the opportunity to set foot on the outer world in her life, but it would be a pity if she misses it again on the ground beneath her feet.

The circumference of the planet beneath our feet is 40000 kilometers. Cheng Ying measured it with his own hands using the length of the sun's shadow. It can be said to be a coincidence, or it can be said to be inevitable, otherwise parameters such as gravitational acceleration would definitely change.

On this day, after Cheng Ying told Bo Saixi how to use analytical methods to find the tangent lines of an ellipse, he looked at the dark clouds rolling in the distance and couldn't help but narrowed his eyes: "What is supposed to come will always come."

[To be continued]

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  (End of this chapter)