Now that it's in her hands, it would be pretentious for Li Lizhi to refuse.
"Thank you, young master!" Li Lizhi thought silently in her heart, I have to add two more boxes!
"Sister~ Come and take a look~"
The little princess was more anxious than Li Lizhi.
"good!"
Li Lizhi was also looking forward to what gift Xiao Ran would give her.
I carefully opened the gift box and saw the neatly arranged Wind-Breaking Duck inside. It was still different.
A smile appeared on Li Lizhi's face when she saw the Wind-Breaking Duck. Li Lizhi didn't expect Xiao Ran to give her this.
Li Lizhi didn't say she liked the Wind-Breaking Duck, but Xiao Ran found out.
This is the most difficult thing. Saying you will give and not saying you will give are two different things.
Li Lizhi felt very happy because her thoughts were discovered.
"Wow~ so many little ducks~"
The little princess picked one up and looked at her helmet not far away.
Suddenly I feel that my helmet is not so good anymore.
I only have one, but my sister has a box. They are both different.
"So many!" Li Lizhi looked at Xiao Ran, not knowing what to say for a moment.
"I didn't know what my wife liked, so I bought a few different ones."
"I like them all, they're all cute!" Li Lizhi was telling the truth.
"Sister~" The little princess pulled Li Lizhi's arm, "Give me a nest, please~"
"Okay, okay, Sizi, pick one!"
With Li Lizhi's permission, the little princess picked out a wind-broken duck with a chain and happily took it aside to play with it.
Li Lizhi looked at the thermos next to her.
"Young Master, what is this?"
"This is called a thermos. Pour the boiled water into it to keep it warm. This way, my wife and I can drink the hot water conveniently."
Li Lizhi pointed at the thermos and asked, "How long can it keep warm?"
"Pour it in tonight, and it will definitely still be hot tomorrow morning."
Li Lizhi also feels that drinking hot water is much more convenient this way. It is okay to drink cold water in summer and autumn, but cold water is a bit uncomfortable in winter, so it is better to drink hot water.
"What a great thing! Is this thermos very expensive, young master?"
Li Lizhi thought that if it was cheap, she would prepare one for Empress Changsun and others.
"This is not expensive. You can buy it for just a few dozen yuan."
Li Lizhi was delighted as the price was much lower than she had expected.
If it is convenient to buy, Li Lizhi thinks it is okay to prepare a few more.
"That's really not expensive! I saw a copper thermos in a book before. It also has heat preservation effect, but it's not as good as the one that Xiaolangjun has."
"Copper kettle? What era is this from?"
Li Lizhi smiled and said, "This is a vessel that existed from the Warring States Period to the Han Dynasty. It has the characteristics of a thin neck, a large belly, a round bottom, and a small mouth."
"Some of these copper thermoses have long necks, tilted heads, or bird-shaped head decorations."
Xiao Ran shook his head, "I haven't heard of it."
Things similar to thermoses appeared more and more frequently after the Song Dynasty, and their warmth-keeping effects became better and better.
Before the Song Dynasty, the warmth-keeping effect of this kind of thing was somewhat impressive.
During the Song Dynasty, a two-inch thick air layer was used for insulation, which led to a correct understanding of heat transfer as well as insulation conditions and methods.
In the Yuan Dynasty, a double-layer container made of copper appeared, with hot water in the interlayer to keep the teapot warm.
This design uses the principle of water vapor to maintain water temperature.
By the Qing Dynasty, the thermos bottle had evolved into a teapot barrel made of wood. The principle was to stuff cotton or goose feathers with thermal insulation effect between the teapot and the tea barrel to keep the temperature of the tea.
Simple thermoses could also be made in the Tang Dynasty, but the results were not satisfactory.
Xiao Ran, a modern man, would definitely look down on him.
"My dear, thank you for your help. I need a few thermoses like this." Li Lizhi pointed.
"Yes, this is not difficult. My lady, this is a fragile item. You have to be careful with it, otherwise it will break easily."
Li Lizhi pointed at the thermos and said, "Looks pretty sturdy, doesn't it?"
"The heat preservation is due to the special liner inside. The liner is not strong and will break easily with a slight collision, so you have to be careful."
"Okay, I'll remember that!"
The little princess walked over with the Windbreaker Duck and rubbed her eyes.
Xiao Ran knew that the little princess was sleepy and it was time for her to go to bed.
"Little sangjun~I feel sleepy~" The little princess did not look for Li Lizhi, but threw herself into Xiao Ran's arms.
Li Lizhi was a little surprised.
At this time, the little princess acted on instinct without thinking too much.
"Okay, go to sleep!" Xiao Ran picked up the little princess.
"Qinglan and Yushu should be back soon. Prepare some hot water for washing up before going to bed." Li Lizhi stretched out her hand, "Give it to me, young master!"
"Okay!" Xiao Ran handed the little princess to Li Lizhi, "My lady, it's getting late. I'll go back first!"
"good!"
Li Lizhi carried the little princess out of the inner hall.
Li Lizhi didn't say too many polite words, because being polite would be awkward and distant.
Xiao Ran did not leave in a hurry, but prepared the medicine that Li Lizhi was going to take and placed it on the table.
He ran to the dressing table, reached out to take out an A4 paper and a marker, and wrote on the paper: Wife, remember to take your medicine before going to bed!
Xiao Ran also drew a cute Q-version smiling face.
I habitually fold A4 paper into a paper airplane.
Only then did he leave the inner hall.
Li Lizhi took the little princess to wash and then returned to the inner hall.
The little princess fell asleep in Li Lizhi's arms.
Put the little princess on the bed and cover her with the quilt.
Qinglan brought over two hot water bottles, "Your Highness!"
Li Lizhi took the hot water bottles, gave one to the little princess and kept one for herself.
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