七仙女心春思杨玉环

There is a reason why he asked this. Since Xu Xiaoqing is an associate professor at the university, he should have the right to use the public laboratory, but he is only the second or third author. There are only two possibilities, either, he used a certain In a laboratory headed by a classroom leader, the professor wanted to be the first author, so Xu Xiaoqing could only be the second author....