She underwent a thread lift to improve the sagging of her face.

He treats us as a big friend.

Geology is a study that elucidates the history of the Earth.

He is a world-renowned geologist.

It was my first time riding a chairlift at the ski resort, and I was very excited.

She decided to undergo facial reconstructive surgery.

He is dedicated to the study of organogenesis.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.