Cell biology is the study of the structure and function of cells, which are the basic units of life.

Functional analysis is a branch of mathematics that studies the properties of functions in infinite-dimensional spaces.

Neuroanatomy is an important field of study for understanding the structure and function of the brain.

Demography is an important tool for understanding various aspects of society.

I studied linear algebra at university.

He is world-famous as a comparative linguist.

Listening to music is really enjoyable.

His army had a great array of spears and chariots like '輵'.