My father is an ichthyologist and has a deep knowledge about marine life.

He is interested in ichthyological research.

Alkaline earth metals are one of the main components of the earth's crust.

He is majoring in syntax at university.

We conducted a meta-analysis on this issue.

It is important for us to respect cultural diversity and understand each other's differences.

He carefully reread the judgment document.

Calculating fractions is difficult.

He wrote ancient poems using written language.

Intermolecular forces are an important factor in determining the properties of a substance.