His son underwent surgery for blastoma.

My father's hobby is viticulture.

He is dedicated to the study of interstitial cells.

Olfactory cells play an important role in allowing us to sense smells.

Please check this detailed document.

He is working as the superintendent of this project.

My wife is good at cooking.

My younger sister will turn 20 this year.

My friend, Sai, works on a farm.

I will turn 20 years old this year.