能认识吗？

你好

你好

I'm interested in biochemistry too because I am doing hemonc research which is related to some b
asic mechanism. PS: I am on my internal medicine training as a second year resident. 

hi,

so long time not contact you!

I like your smile

你好望认识

how to contact u? because i'm not senior membership 

哇 你看上去好纯真好可爱