"Mom, we're so hungry." Beiming and the others ran into the kitchen with their cloth shoes and shouted.

"It's just in time, we'll start dinner right away." Ding Haixing looked at the children who rushed over and said, "Wash your hands first, and take a bath after eating." ”

"Oh!" The children answered the question and went to the bathroom in turn to wash their hands and faces.

By the time they came out, the table was already set.

One by one, they sat down obediently, and when they washed their hands and sat down, Zhan Changsheng picked up his chopsticks, looked at them and said, "Let's eat!" ”

The children picked up their chopsticks and started.

They were all starving, so it was clear that they were swimming happily in the water today.

The hungry even talked less than usual, and the one who ate was called cheerful, and the elders served them vegetables from time to time.

Seeing how fragrant the children ate, they unconsciously ate more.

Fortunately, Ding Haixing knows everyone's level, and he is also confident in his own craftsmanship, doing more and managing enough.

After eating, Hongying and Yun Lulu got up to clean up the dishes and chopsticks, and everyone sat in the courtyard to eat.

The swimmers were exhausted, so the children didn't go to the playground to play.

Guo Ying took the erhu to show off to the battle, and she has made great progress!

There is a saying: ten years of flute, a hundred years of Xiao, a erhu into the sky.

Erhu eats more kung fu, and a handful of erhu pulls a lifetime.

So Guo Ying has her current level and has practiced hard, and when she comes back from school, she finishes her homework and practices on the second floor.

I am very conscious, sometimes my fingers are wooden, and I can't catch my chopsticks.

Ding Haixing was distressed when she looked at her insistence, and wanted to open her mouth so that she didn't have to fight so hard, but the words came to her mouth and swallowed back.

I couldn't dampen the child's enthusiasm, so I had to massage her fleshy little hands.

Guo Ying played her favorite and cheerful "The People of the World Are United", that is: Hey, lala, the sky is colorful.

After the song was played, everyone applauded in unison, "Thank you!" Guo Ying stood up and thanked him in a good way, bowing slightly, as if she was really standing on the stage.

"One more." Zhan Changsheng looked at his daughter happily and said.

Guo Ying sat down quietly and played another song "Let's Swing the Sculls", which was very beautiful.

At the end of the song, the applause rang out again, "Okay, okay, stop playing the piano, go and play with your brother!" Zhan Changsheng stretched out his hand to her.

Guo Ying handed over the erhu in his hand to Zhan Changsheng, and then ran to the yard to play with Cangming.

Zhan Changsheng looked at Jing Hailin and asked, "Do you have any ideas?" ”

"Thoughts? What's the idea? Jing Hailin looked at him confused, "This is headless?" ”

"I mean, are you interested in improving your individual combat equipment?" Zhan Changsheng looked at him with a pair of eyes sparkling and said.

Jing Hailin slammed his mouth and said, "I said Lao Zhan, it has only been a few hours since you put forward this idea. I can just put it in my head, how can I possibly come up with it. ”

"Brother-in-law, you're too anxious!" Ding Guo said with a good smile and said seriously, "This needs to be a flash of inspiration. ”

"This is not to build a large warship, what can individual combat equipment have? Just think about it and you'll be inspired! Zhan Chang Sheng said lightly.

"Simple? Old Zhan, you give me a flash of inspiration. Jing Hailin looked at him angrily and said.

"Hey, hey! It's your specialty, and it's up to me. Zhan Changsheng looked at him and shouted directly.

"As a user, you won't be able to feel the quality of the equipment." Jing Hailin's eyes turned slightly, "You should reflect the problem, and I can solve the problem." ”

Zhan Changsheng nodded and raised his eyebrows lightly in agreement, "You're right!" Looking up at him, he smiled slightly, "Old Jing, don't say anything else, let's solve the problem of oxygen cylinder bubbles first." ”

This wanted to stump me, and looked at Jing Hailin triumphantly.

Jing Hailin looked at his villain's triumphant appearance, clenched his fists, and wanted to beat him.

"What are you talking about?" Ding Haixing said loudly.

Ding Guoliang looked at her and explained the problem of the oxygen cylinder.

"What's so hard about that?" Ding Haixing said simply and easily.

"Mother Cangming, you know how to eliminate." Standing Changsheng turned his face when he heard this, and looked directly at her.

"Yes!" Ding Haixing nodded and chuckled.

"Brother and sister, what do you think?" Jing Hailin urged anxiously.

"Don't try to eliminate the bubbles when diving, if the exhaled air is not discharged into the water, there will be no bubbles." Ding Haixing smiled slightly and said lightly.

"How is this possible?" Zhan Changsheng frowned lightly and said, "If the bubbles are not discharged into the water, it is difficult for the human body to suck them in." ”

"Whoever made you suck it, drain it into a bag." Ding Haixing gestured with his hand, scratched his head and said, "What do you say?" Inflatable raft made of cowhide. Certainly smaller than that. ”

Everyone listened to it confused and couldn't understand it.

"Ahh Ding Guoliang shouted, "I know." ”

"What do you know? Don't make a fuss, it's scary. Zhan Changsheng watched him count the ways.

"I remember when my sister went to the sea to go pearl diving, she always had to come up from time to time to breathe." Ding Guoliang recalled and continued, "In order to be able to dive in the water for a longer time, I brought a pig bubble filled with air that was very well sealed and waterproof, and used it when ventilating. ”

"That's different?" Zhan Changsheng said with a frown.

"Kind of interesting!" Jing Hailin's eyes shone brightly.

"What do you think?" Zhan Changsheng urged anxiously, "Why can't I turn my head." ”

"Brother and sister and Guoliang do not mean that the exhaled air is not discharged into the water, but is processed and stored in the breathing bag." Jing Hailin said thoughtfully.

"Uh-huh!" Ding Haixing nodded hurriedly, "After treatment, it can actually be recycled." ”

Jing Hailin's eyes lit up even more when he heard this, "Good idea." He took out the notebook directly from his pocket, took out a pen from his breast pocket, and began to write and draw on the spot.

Write down these ideas and don't get carried away.

At this time, no one dared to disturb Jing Hailin, and they all held their breath.

After Jing Hailin finished writing, he raised his eyes and looked at them who were looking at him, "What are you looking at me for?" ”

"You're done." Zhan Chang Sheng looked at him with a blank eye.

"Hmmm! Finished written. Jing Hailin looked at him and nodded.

"When will the finished product be available?" Zhan Changsheng asked eagerly.

"Now it's just an idea, to be precise, it's an idea, and it has to be tested and demonstrated to take shape, how can it be as easy as you say?" Jing Hailin shook his head and smiled, "You're too anxious!" ”

"You don't know what it means here, if we can do it well, we can reduce our losses." Zhan Changsheng said excitedly.

"Of course I know, but you'll have to take it one step at a time!" Jing Hailin said in a deep voice unhurriedly, "If you have an idea, I will develop it as soon as possible." ”