My chinese friend :)

I have a Chinese friend. He is a foreign student of doctor course. doctorate student.
I met him at the laboratory of my university in a laboratory at my university, and then I made friends with him we become friends :)
I went shopping together with him today! We went shopping together today!
It is 3 weeks ago that I met him at the last. Because training in pharmacy began last month. It has been 3 weeks since I saw him last, because he began training at the pharmacy last month.
It is was a lot of fun to meet up with him after a long time.
He always teaches me some Chinese \(^o^)/
So I thought that it is trying to I will try to do my best not only studying English but also studying Chinese (^q^)

My chinese friend :)

I have a chinese friend.  He is a foreign student of doctor course. studying medicine.  (When people study to become a doctor, we say that they study "Medicine".)
I met him at the laboratory of at my university, and then I made friends with him :)

("the laboratory" implies there is only one laboratory at your university.  If there is more than one, we use "a laboratory")

I went shopping together with him today!

I went shopping with him today/We went shopping together today

It is 3 weeks ago that I met him at the last.

It has been 3 weeks since I last met him.

Because training in pharmacy began last month.
It is a lot of fun to meet him after a long time.
He always teaches me some Chinese \(^o^)/
So I thought that it is I would trying to do my best not only to study English but also study Chinese (^q^)

"would" is the past form of "will"

Your friend sounds like a nice person!  Good luck with your Chinese studies :)

我有一个中国朋友。他当然是学博士的留学生。

我在我大学的实验室认识他，随后就交了朋友。

ヶヶヶ、もうけっこう、冗談だから。