The distributive law is one of the basic laws of mathematics.

His genotype is very rare.

Genetic contamination may have serious impacts on biodiversity in the natural world.

Euclidean geometry forms the foundation of geometry.

I am majoring in auditory phonetics at university.

Articulatory phonetics is a study about the production of speech sounds.

Acoustic phonetics is the study of the physical properties of speech.

He is interested in geometrical shapes.

I studied calculus at university.

He is an expert in folklore studies, and his research is highly regarded worldwide.