Shizuka is my best friend.

Fumitsuka is my best friend.

His behavior feels uncertain.

I feel uneasy about his attitude, I have no idea what he's thinking.

The optic tract plays a crucial role in transmitting visual information to the brain.

How much is the electric flux of this coil?

He loves physics and studies it in the library almost every day.

I am majoring in physical chemistry at university.

He is a world-famous physicist.

In math class, we learned about the intersection.