In addition to the drawings of the fireplace, Lu You quickly remembered another thing.

Before the Dragon Boat Festival last year, Yan Yan pulled him to accompany her to meet the two Western missionaries, at that time, the two missionaries could not speak official language, only one or two simple dialects with an accent in southern Fujian, in short, he didn't understand a word, but Yan Yan almost understood everything.

At that time, Yan Yan's explanation was that her grandmother was from southern Fujian, so she would listen to some southern Fujian dialect, but afterwards Lu You thought about it carefully, as if the two missionaries spoke more of their own Western language, although Yan Yan communicated with them for a long time, but he was still confused on the side, but Yan Yan not only knew that the other party brought crop seeds, but also knew what the names of these seeds were, what they were used for, how to plant them, etc., which was a bit incredible.

In fact, there are still a few similar mysteries, but Lu You chose not to ask, because he knew that Yan Yan was living with him wholeheartedly, assisting him wholeheartedly, and giving birth to children for him, which was enough.

Therefore, as soon as he thought of this, Lu You swallowed back the words he wanted to ask, and nodded instead, "I remember, don't worry, lady." ”

And Yan Yan saw that Lu You didn't ask her why, so she breathed a sigh of relief and didn't think much about it, because Lu You turned her head and coaxed Lu Jin to play again, the little thing stood on her father's lap, dancing with her hands, and Lu You also took the trouble to teach the child how to put the chick and rabbit into the bamboo tube.

Seeing this, Yan Yan was quite relieved and a little disappointed at the same time, but soon she shook her head again and secretly mocked herself, how could she eat her daughter's vinegar?

Lu You didn't dislike that she gave birth to a daughter, nor did she rush to urge her to have a son, let alone want to take a concubine, what else did she have to lose?

Despised herself, and when Yan Yan was about to get up to prepare a supper for Lu You, Lu You grabbed her hand from behind, "What is the lady going to do?" ”

Knowing that Yan Yan was going to arrange a supper for him, Lu You pulled her back, "It's okay to tell this kind of thing, you don't have to do it yourself, accompany me to read the book." ”

After speaking, Lu You shouted: "Who's outside?" ”

As soon as the words fell, Qingxiang and Qingyu came in, Lu You handed over the child to Qingxiang, and then pulled Yan Yan to the study next door, which was also the bedroom of the two of them.

This was brought up by Lu You, he said that Yan Yan had barely slept a full night in the previous year, and it was easy for the child to be weaned, and she should be brisk and brisk.

Although Yan Yan knew that Lu You's purpose was more than that, she didn't refute him, because she also ignored her husband a little bit this year, and she also wanted to make up for him.

Therefore, after the two moved to the next room, Yan Yan started the accompanying mode before Lu You went to the academy, the two sat face to face, Lu You read, Yan Yan reads, reads, draws, takes notes, etc., and occasionally does some needlework, which is usually done for Lu You.

And if Lu You doesn't understand something, he will still ask Yan Yan for advice as before.

Therefore, after Yan Yan followed Lu You in, he habitually got on the kang, and just opened the account book that he had recently received, and Lu You sat next to her.

"What's wrong?" Yan Yan realized that today's Lu You was a little abnormal.

"It's nothing, it's just a little touching, baby, I'm very happy, we'll be happy like this forever, right?" Lu You took Yan Yan into his arms.

"What are these words? How can you suddenly become sad? Say, don't you want me anymore if you have a daughter, I haven't settled accounts with you yet, but you complained to me first? Yan Yan saw Lu You shouting a nickname that he hadn't called for months, and suddenly had the idea of teasing him.

But Yan Yan forgot that the person in front of him was not teased at all, so after listening to Yan Yan's words, his first reaction was to widen his eyes, and then he was busy explaining: "No, how can I have a daughter without you?" I saw my daughter and thought of you when I was a child, I still lived with my aunt who gave birth to me for four years, but you haven't even seen your father, and you haven't enjoyed a day of mother's arms, I, I feel sorry for you, every time I think of these, I want to be good to you, good to my daughter, but unfortunately, my ability is limited, can't... ”

Yan Yan didn't let Lu You say the latter words.

If the husband is like this, what more can the husband ask for!

Lu You went to see the prince the next morning, and the prince naturally didn't dare to delay such a big matter, so he immediately took him to see the emperor.

To be honest, Li Cong was not very surprised to see what Lu You was doing, because since Lu You entered the workshop of the Ministry of Industry, Li Cong was looking forward to what big surprise Lu You could bring him, or rather, what big surprise Yan could bring him.

Three months have passed, and Lu You has also used his knowledge to help a little, whether it is a trebuchet or a later crossbow, Lu You's credit is not small, but those are not the big surprises that Li Cong is looking forward to.

Now seeing the bamboo tube in Lu You's hand, Li Cong knows that he finally didn't wait in vain.

A nozzle that can spray gunpowder, if it can really spray gunpowder directly onto the opponent's team or city wall, this lethality will definitely overshadow any current military equipment, with this artifact as a help, are you still worried that the three cities can't be recovered? Are you still worried that Yanyun Sixteen States can't come back?

Of course, Li Cong also understands that the wish is good, but it must be difficult to really make this thing.

Thinking of this, Li Cong asked about the production process of Lu You's nozzle, and Lu You explained according to Yan Yan's words, although Li Cong didn't believe it very much, but when he heard that there was also the credit of Master Yang, he ordered someone to call Master Yang into the palace.

Master Yang didn't know why, but he saw that the emperor was interested in this machine, but he also demonstrated it on the spot, and then Li Cong put forward an idea, he didn't rush to do anything iron pipe nozzle, but ordered Master Yang to make a bamboo nozzle four or five feet long and five inches in diameter to seven or eight inches in diameter.

Master Yang is not stupid, as soon as he listened to the emperor's explanation, he guessed the emperor's intentions, if this method can be successful, it is much simpler than a trebuchet.

But the problem is that Master Yang doesn't have confidence in himself, he doesn't think that a few small bamboo blocks can bounce a stone of about a catty, and even if he can bounce, he will definitely not be able to fly far and not fly high.

But the emperor explained the matter, he could only agree to it, fortunately, there is still a Lu You, this matter was before Lu You stabbed the emperor, and it was also Lu You's idea, what is really wrong, and Lu You is also on top.

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