"I have recently improved the corrosive acid mist, on the basis of the most advanced Bok version of the corrosive acid mist, adding the red fruit leaf juice and the venom of the flower crocodile, theoretically speaking, the corrosive acid gas in the red fruit leaf juice can reconcile the venom of the flower crocodile, so as to achieve the effect of strong acid corrosion, if it can be completed, my corrosive acid mist can even corrode the metal!" Momo said excitedly. Pen % fun % Pavilion www.biquge.info

Seeing his fanatical expression, Du Dian thought of his previous shy appearance, shook his head and smiled bitterly in his heart, and said: "If you want to corrode metal, it is too difficult to rely on the venom in the body of the organism alone, it is almost impossible, the basic types of the two substances are different, and it is easier to start with the metal itself." ”

"Start with the metal itself?" Momo wondered.

Du Dian said: "Under normal circumstances, metals will also be corroded and rusted, but it takes time, however, it is not time that corrodes the metal itself, but time makes dust, moisture, moisture and other substances in the air fall on the metal and erode into the metal, so it will corrode the metal, and this process can be called 'oxidation'." ”

"Oxidation?" Momo, as well as Jinba and Simo, were all confused, a word they had never heard before.

Dudian knew that they couldn't understand it for a while, after all, the periodic table had not been made, and no one knew about the existence of oxygen yet, so he could only say: "Under normal circumstances, water will slowly disappear, and the same is true for metal. ”

"The water disappears because it is absorbed by the temperature in the air, and you mean, the metal is also absorbed by the temperature?" Or is it absorbed by dust? ”

Seeing him groping for the edge, Du Dian said: "Water is liquid, so it disappears quickly, metal is solid, and the time to disappear will be much, much slower, just like a piece of metal will rust and rot after a few years, if it is decades, hundreds of years later, it will also be like water, rotten to the point of incompleteness, and after a thousand years, it will even rot to the point that there is nothing left." ”

Xi Mo nodded while thinking about it: "Yes, you say so, it's true, so speaking, dust can corrode metal, it's amazing." ”

Momo lowered his head and fell into deep thought, muttering to himself: "If so, dust can corrode metal, dust is dirt, dirt is rock, there must be something in the rock that can corrode metal faster......"

Du Dian glanced at him, he didn't expect him to be thorough at all, to say that the most common thing to corrode metal is naturally sulfuric acid, and sulfuric acid is extracted from sulfur and pyrite and other substances through dissolution and distillation, and the soil system has not yet made sulfuric acid, if it is submitted, it is also a high-level magic item.

"You're very careful about everything." Kimba looked into Dudian's eyes and said.

Du Dian smiled slightly and said, "Everything is created by the God of Light, and this is the inspiration it gives us. ”

Jinba snorted and said, "My teacher also often admonishes us to learn to observe the world more, and the truth is hidden in all corners of the world, and it stands in front of us, but we do not have the divine eye to see through all illusions, and can see through the truth." Speaking of this, I couldn't help but sigh.

Du Dian nodded slightly, deeply sympathetic.

Time flies, the night deepens, and the chill thickens.

The banquet ended with the lights shining brightly, and the guests left before dawn.

As the host of the banquet, Dudian stood at the door to send the guests back one by one, and only returned to the living room after the nobles had left most of them, and the rest of the minor nobles were handed over to Carey to say goodbye.

"It's time for us to go back, too." When Kim saw Du Dian returning, he got up and said.

Du Dian said: "Don't sit down more? ”

"No, the teachers are tired too." Jinba smiled at him: "Next time we have time, we will talk in detail, I believe that you will soon become a high-level divine envoy, then I will tell the teacher, let you live in the same place with us, we can discuss some divine problems every day." ”

Dudian smiled: "Okay. ”

At this time, the two old men who were sitting and resting and drinking tea also got up and came over, seeing the expressions of their three students, they suddenly understood something in their hearts, and the tall and thin old man on the left side said: "Let's go back first, if there is anything in the future, just look for my two students, they will help you." ”

Dudian nodded in gratitude.

"I heard you want to take that old ghost mission from Ibiza? He's a thunderbolt, and the research he does is too dangerous, maybe he'll blow himself up one day, so you'd better concentrate on doing your own wood-based magic skills. The short and fat old man said earnestly.

Dudian nodded, "I see." ”

The second elder glanced at him, didn't say anything more, and left surrounded by the three of Jinba.

When the other nobles around saw them, they all stepped forward to say hello, but the second elder didn't even look at them, and they didn't politely leave the hall directly, which embarrassed some of the nobles who came forward to talk.

"It's finally over." After sending off the guests, Carey returned to the hall and smiled at Dudian: "Today, the two masters of Krees and Hunter came to congratulate you, it is really a surprise, and your identity has been raised by several levels, although you are currently only an intermediate divine envoy, but in their hearts, it is no longer inferior to a high-level divine envoy." ”

Dudian nodded, this is the influence of the master, just by making a scene, he can increase his value.

"Thank you for your hard work today." Dudian said to Carey, "I'm busy before and after, I'll invite you to dinner another day." ”

Carey smiled and said, "Okay, I remember this meal." ”

Du Dian smiled slightly, although Carey's position is personnel management, but in addition to being sleek, there is also a boldness in his personality, which is admirable.

At this moment, the hall was full of guests, and only some servants were left to sort out the garbage on the floor and the wine on the table, Du Dian found Fulin and Sandru, who were sitting on a sofa waiting, and immediately walked over, and said, "Old patriarch, I'll send you back." ”

"Okay." Flynn said with a smile, knowing that Dudian had something to say to him.

Dudian turned back to say goodbye to Carey, and then stepped forward to help Forin out of the hall, at this moment, in the middle of the night, the cold wind outside was like a knife, Dudian glanced at Forlin's thin coat, and immediately took off his shirt and put it on him, and helped him to the carriage outside the manor.

When Sandru saw Dudian's actions, he stopped talking, but in the end he didn't say anything and followed silently.

"Sir." The butler and groom waiting in front of the carriage said respectfully.

"Let's go back." Forint commanded.

Dudian put him in the carriage, and the butler and Sandru got into the second carriage and drove back to Lane Castle together.

When Dudian and the others entered the castle, they saw a young girl sleeping there in the living room, it was one of Forlin's granddaughters, named Lina, fourteen years old this year, a few years younger than Hughton, lying in the living room and sleeping soundly, covered with a thin quilt handed by the servant.

"Huh?" Fulin looked over.

Aunt Lan, a middle-aged woman who was waiting next to her and usually served Fulin, stepped forward and whispered, "Lina, this child has to wait for you to come back and fall asleep here, I'll wake her up now." ”

Fulin glanced at the sleeping girl's face, sighed lightly, and said, "Let her go back to her room and sleep." With that, he turned around and went upstairs with his cane.

Dudian helped him and glanced back at the girl lying on the sofa, if the information he had obtained from Barton and the others was correct, this girl was the child of Forlin's fourth daughter, who was married to a grumpy and down-and-out wealthy businessman, who died soon after giving birth to her daughter, and Forint took her granddaughter back to his care, but perhaps because of her mother, she did not like her.

Aunt Lan woke up Lena on the sofa, the girl opened her sleepy eyes, and as soon as she woke up, she was shocked, and immediately looked around, and suddenly saw Du Di'an's back helping Fulin upstairs, her lips opened slightly, and she wanted to say something, but she was stopped by Aunt Lan, and said in a low voice: "Miss, the master asked you to go back to rest, and the master is also tired." ”

Lena glanced at her, bit her lip slightly, didn't say anything more, and silently got up to leave. (To be continued.) )