Algebraic functions are a part of mathematics, and understanding them is important.

This product is just exaggeratedly advertised, it's not actually that good.

His megalomania was that he would rule the world.

He was observing wild animals in the grassland.

The Hadean eon is considered the first era of Earth, lasting from about 4.6 billion years ago to 4 billion years ago.

The Precambrian eon occupies most of Earth's history.

He trains his gluteus maximus at the gym every day.

E. coli is one of the bacteria that normally reside in the human intestine.

He is passionate about studying modern language.

He, a music college student, is very good at playing the piano.