Moto is my best friend.

He is a former professional soccer player.

During the Yuan dynasty, Chinese culture developed greatly.

Learning about the culture of specific Asia is very interesting.

This antibody strengthens the defense against the virus.

This antitoxin is used to counteract that toxin.

He is dedicated to the study of immunochemistry.

Because her immune system is weak, she catches a cold easily.

Because he has immunodeficiency, he always pays attention to his health management.

I am majoring in immunology at university.