After hearing Jia Jiayin's words, Li Zexuan suddenly understood. He was just wondering why these students were still washing clothes at this hour. It turned out that it was because they didn't have the help of locust to wash clothes!
The earliest ancient people used plant ash as a detergent because it contained potassium carbonate, which could remove the dirt on clothes. According to Kao Gong Ji, silk was refined with bars as ash. It was made of pure silk, and it was made of jade. The jade in this sentence was shell ash, which contained calcium hydroxide. When mixed with plant ash, it could produce potassium hydroxide. When it was immersed in water to wash silk fabrics, it had a chemical reaction with the oil attached to the surface of silk fabrics to produce "potassium soap," which could wash silk fabrics clean and bright.
Later, the ancient people of the Wei and Jin Dynasties began to use locust and bath beans to wash clothes. Locust could produce foam in water and had the ability to remove dirt. Later, Sun Simiao invented a new way to wash clothes. It was to wash the dirty blood on the pig's pancreas, tear off the fatty liver on it, grind it into a paste, add soybean powder and spices, mix it evenly, and dry it in a ventilated place to become bath beans that could remove dirt from clothes.
"Alright, I got it! However, the military training is a special period, and the conditions will naturally be more difficult. You don't have to pay too much attention to it, as long as the clothes don't smell! After the military training, the Academy will have everything that should be available! "
Li Zexuan said lightly.
When the Academy was first built, there was indeed some space left for shops, but he had been too busy and didn't have time to "attract investment," so there was basically no place to spend money in the Academy except for the cafeteria.
As for whether to make soap or not, it depended on whether he was in the mood.
"Yes, Yamachō! I understand! "
Jia Jiayin cupped his hands and walked towards the dormitory.
Li Zexuan nodded secretly in his heart. He thought that although this child looked a bit fierce, his temperament and knowledge were not bad. Men, in the end, still relied on talent and knowledge. In ancient times, there were many famous people who were ugly but eventually became successful.
"Attention ~!"
After Jia Jiayin left, Li Zexuan shouted loudly and then said, "Start to stand in military posture. Pang Feiji, you supervise them. If anyone's actions are not standard or secretly lazy, give them extra time ~! Do you understand? "
Pang Feiji wiped the sweat off his forehead. There was a crown prince and two princes here! But Li Zexuan asked him to spy on them. Wasn't this asking for his life?
"Hmm ~?"
"Yes! I understand now! "
Under Li Zexuan's pressure, Pang Feiji quickly agreed.
Li Zexuan nodded in satisfaction and said, "Mm! From tomorrow night onwards, you and the other instructors must check the dormitories one by one. If you find anyone who has violated the rules, you will be punished the same way as today. You are not allowed to sleep until midnight, do you understand? "
"Yes! Yamachō! "
Pang Feiji felt bitter! They were actually quite tired as instructors during the day, but now that they were writing, they had less time to rest!
.....
Thousands of miles away, in Wo Nation, on the Mu Pan Mountain outside Feiniao City.
"Prince, the King of Wo Nation has sent an envoy. He is now outside the camp. Do you want to see him?"
In the main tent, Li Xiaogong was looking at the map on the table when a messenger suddenly came in and bowed.
Li Xiaogong raised his head and said lightly, "Let him in!"
"Yes!"
After a while, a short man in Wo Nation clothes came in and bowed to Li Xiaogong. "Yoko Ono greets Your Highness!"
This sentence was spoken in extremely pure Mandarin with a Guanzhong accent. Li Xiaogong raised his eyebrows and said, "You can speak Mandarin?"
Yoko Ono bowed slightly and said, "The culture of the Central Plains is extensive and profound. The entire Nihon nation admires it. I have studied in the Central Plains for a period of time under the influence of my late father, so I can speak some Chinese ~!"
In 607 AD, the first government mission sent by Japan to China's Sui Dynasty finally arrived in Luoyang. The leader of the mission was Yoko Ono's father, Yoko Ono.
In 609 AD, Yoko Ono came to China again to send the Sui Dynasty's envoy back to China. She also brought a group of overseas students and monks. At that time, Yoko Ono was also among them. Therefore, Yoko Ono knew the culture of the Central Plains very well.
Li Xiaogong nodded slightly. He felt more comfortable talking to a Wo Nation person who could speak Mandarin. After a while, he asked, "Why did the Queen of the Ancient Kingdom send you here? Why didn't she come to see me personally? "
Arrogant!
It could be said that Li Xiaogong's attitude was extremely arrogant! However, Yoko Ono's expression only changed slightly, and she did not dare to refute.
"Your Highness, Her Majesty's body is not in good condition, so it is inconvenient for her to leave the palace. I hope Your Highness can understand!"
Yoko Ono said slowly.
"Hmph! Inconvenient for her to leave the palace? Does she want me to enter the city personally to see her? "
When Li Xiaogong heard this, he glared and said angrily.
Yoko Ono immediately put on a fearful expression and bowed down. "Your Highness, please forgive me. Her Majesty is already old, and her body is not in good condition recently. She really can't leave the palace."
"Old? How old is she? "
Li Xiaogong asked a very rude question, but who asked him to have a strong army! Those with strength are the boss everywhere. A weak country has no diplomacy, while a strong country has hegemony! This was a principle that would work in any era.
Yoko Ono's face turned red. She gritted her teeth and said, "Your Highness, Her Majesty is already 70 years old this year!"
(60 years old, 70 years old is rare since ancient times)
Li Xiaogong actually did not know the age of the Wo Nation Queen. When he heard this, he was surprised and said, "Oh! So that's how it is! It seems that the Queen of the Ancient Kingdom really wants me to enter the city to see her? "
When Yoko Ono heard this, she was indescribably excited. However, on the surface, she smiled and said, "When I came down, Her Majesty said that if Your Highness is willing to enter the palace to see her, you will receive the grandest welcome from the Wo Nation. Golden beauties, at that time, Your Highness will definitely enjoy endlessly ~!"
"Bastard!"
Li Xiaogong slammed the table and said angrily, "Lowly woman, how dare you use her to charm me ~?"
"Yes, yes, yes ~! I said something wrong, Your Highness, please forgive me ~! "
Yoko Ono was very angry, but in fact, she was constantly slapping herself in the face to beg for Li Xiaogong's forgiveness.
"Hmph! Since the Queen of the Ancient Kingdom wants to see me, then I will enter the city! It just so happens that I also have something to tell her. "
Li Xiaogong snorted and said.
Yoko Ono was overjoyed, but Li Xiao was shocked and quickly said, "Your Highness, please don't ~! If there is an ambush in the Wo Nation Imperial City and you meet with any accident, I will die a thousand times ~! "
…
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