In the afternoon, Guo Xiang and Li Yuanhang went together to catch a few guinea pigs, put them in cages, and brought a few wooden racks to put them in cages.

Then the laboratory was completely disinfected, and then put on protective clothing to go in, and inject the mice with HIV.

When you come out again, the doors and windows are locked, and no one else can enter without permission.

The worn protective clothing is placed in a basket in the corridor outside the office, and the school staff will take it for cleaning and disinfection before reusing it.

The lifespan of HIV viruses in a dry environment outside the body is very short, only a few minutes, and they are extremely intolerant to high temperatures, and they can be killed by water at more than 70 degrees, or they can be easily killed by direct exposure to ultraviolet lamps.

However, if it can survive for more than ten days under the laboratory culture medium, or it can survive for a few days in the body fluid and blood, it cannot be leaked with the fluid.

After that, Guo Xiang began his laboratory life.

Do some data analysis before the mice don't have AIDS.

Life goes by in an orderly manner.

Soon November is approaching, and the November weather in the capital has begun to get colder.

Guo Xiang rested at home that weekend, and the two little groups put on padded jackets, and the whole person was round and cute.

The twins were chasing Q in the yard when there was a sudden knock on the door.

Little Q barks at the door, and the twins stop.

Guo Xiang went to open the door, only to see Zhang Ling standing outside with a smile, and a tall and thin young man standing next to her.

"Sister-in-law!" Zhang Ling shouted.

"Lingling is here, come in!" Guo Xiang smiled, stopped Xiao Q, and tied it to the side.

"Hello!" The man on the side greeted Guo Xiang with a smile, and his accent was a little weird.

"Hello, hello, please come in!" Guo Xiang smiled and let people in, pulled Zhang Ling, and asked in a low voice, "Is this your object?" ”

"Yes!" Zhang Ling nodded, a little shy, "I met abroad before." ”

"ABC?" Guo Xiang asked, no wonder the accent was weird.

"What is ABC?" Zhang Ling couldn't help asking.

"Uh...... "Guo Xiang was stunned, this statement may not exist in future generations?" Is it a Chinese born abroad, a Chinese of Mimi origin? ”

"yes, how do you know?" The man was surprised.

"You can hear the accent." Guo Xiang said.

"That means I can't speak Chinese well." The man's expression was a little annoyed.

"No, it's already good, but people who didn't grow up in China inevitably have a weird tone, which is normal." Guo Xiang said busily.

"Tell me about it!" Guo Xiang said to Zhang Ling.

"Oh, this is my object, Martin, I met when I went to the United States for an exchange before. Later, there has been an exchange of letters, and recently he set up an office in the country of the United States and came to work here, and then we dealt with the object. Zhang Ling said.

He said to Martin: "This is my cousin-in-law, Guo Xiang, who graduated from Beijing Medical University with a master's degree and is now a doctor in a cancer hospital. ”

"Hello, I'm glad to see you!" Martin learned some Chinese to dazzle, but the pronunciation was strange.

Guo Xiang couldn't help laughing, "Come in!" ”

The two small groups looked at the guests curiously, and Guo Xiang said, "Call aunt and uncle!" ”

"Hello Auntie!"

"Hello uncle!"

The two little groups screamed and ran inside, shouting as they ran, "Daddy, Daddy, here are the guests!" ”

Gu Zhennan walked out of the room and saw that it was Zhang Ling who nodded at her.

Zhang Ling called "cousin", and then introduced Martin to him, and several people sat down in the living room.

Gu Xide saw that some guests also came out to say hello, and Guo Xiang went to make a pot of coffee.

Martin was surprised to smell the aroma of coffee, it turns out that there are also people drinking coffee in China? He just came to work here, and everyone else in the company likes to drink tea, but very little coffee.

It seems that Zhang Ling's cousin's family is a little different.

He looked at the courtyard curiously, he had never seen such a courtyard house abroad, it was very beautiful and very Chinese.

"Coffee, please." Guo Xiang brought the coffee.

"Thank you!" Martin said hurriedly.

The two little groups leaned next to Gu Zhennan, and they both looked at this strange-speaking uncle curiously.

"Lingling, come and get me something." Guo Xiang asked Zhang Ling under the pretext of asking her something.

"Hey!" Zhang Ling answered, got up and followed Guo Xiang into the room.

"Really talked? How did you come up with the idea of finding a foreigner? Guo Xiang asked in a low voice.

"Well, I think he's pretty good. And he doesn't care about my side......" Zhang Ling was a little embarrassed.

Zhang Ling is no longer a virgin, and he has also lost a tire, which many people in China will care about. If you don't say it, you will definitely make a fuss if you don't say it in the future, and it is possible to say that she cheated on marriage, so it's good to find a foreigner.

Guo Xiang nodded, indeed, foreigners are relatively open, and generally don't care about getting around, as long as they get along well, family conditions or anything is not a big problem for them.

Although he is Chinese, he grew up abroad and should be relatively open-minded.

"You've already told him?" Guo Xiang asked.

"Well, I don't want to hide it, we've been corresponding, we know a lot about the situation on both sides, and he's talked about his girlfriend before, and he didn't hide it." Zhang Ling said, "But I still want to bring him over to show your sister-in-law." ”

Guo Xiang nodded, "It's best if the two sides can be honest, and they won't quarrel because of this in the future." It's okay to look at people, if you think it's good, decide for yourself, we don't usually get in touch. ”

"Hmm." Zhang Ling nodded.

Guo Xiang took some snacks and put them on a plate and took them outside, "Try our small snacks and see if you are used to eating." ”

"Thank you!" Martin nodded, still polite.

He took two pieces of snacks and gave them to the twins next to him, "Hello, kids!" ”

The twins looked at Guo Xiang, and their mother said that they couldn't eat strangers' things, which was okay in their own home, right?

"Thank you, uncle!" Guo Xiang said.

The twins took it and said in unison, "Thank you, uncle!" ”

"Are they twins? It's so cute! Martin smiled and said, "I want two children in the future." ”

After speaking, he looked at Zhang Ling, Zhang Ling's face turned red and he smiled shyly.

Guo Xiang watched the interaction between the two, and it seemed that the relationship was good.

"Would you like to eat at home at noon? Let you taste the flavor of our capital. Guo Xiang said with a smile.

"Wow, thank you so much. After I came to China, I have eaten a lot of Chinese food, which is really delicious, I didn't expect there to be so many delicious foods. Martin said.

"You're Chinese, aren't you? Don't eat Chinese food abroad? Guo Xiang asked.

"Yes, but due to the big environment, we are still used to eating Western food, and it is convenient to make." Martin said.

Guo Xiang nodded, indeed, many Chinese who grew up abroad are almost Westernized, and some can't even speak Chinese, and it is good that he can say it like this.

Maybe this is the best choice for Zhang Ling.