She decided to undergo facial reconstructive surgery.

He is dedicated to the study of organogenesis.

Thinking sensibly, that plan will not succeed.

He is a world-renowned bacteriologist.

He is a world-renowned biologist.

He is traveling around the world as an ecologist.

He is a world-famous archaeologist.

He is a beginner in Japanese.

He is a renowned criminologist who has contributed to many crime analyses.

The seismologist is studying earthquake prediction and disaster prevention.