He is knowledgeable in all fields of learning.

He is widely recognized as an expert in dogmatics.

He is majoring in the study of national law.

He understands the basic concepts of thermodynamics.

The National Research and Development Agency plays a crucial role in advancing science and technology.

He found a way to profit from a difficult situation like fishing at the bottom of a river.

He went to America as an international student.

That high school girl studies in the library every day.

He is working at a school as a student teacher.

The Phanerozoic eon is the most recent eon in the history of the Earth.