He is a professor of algebra.

I go to swimming lessons every Friday.

My test score was a perfect 100 points.

The aquifer in this area provides a very abundant water source.

He is good at solving algebraic equations.

He is a world-famous mathematician.

She is interested in numerology and wants to know her destiny.

She is a famous numerologist, and many people seek her advice.

I took a sleeping pill last night and went to bed early.

During REM sleep, we dream the most.