He couldn't hide his jealousy towards her success.

He is suffering from a disease.

The mammoth is an extinct large mammal.

Cygnus is one of the summer constellations.

He is conducting research on superconductivity.

We need to calculate the harmonic mean of this dataset.

I love the meat of wild turkey.

I need to report to the head of the police station.

Apus is one of the constellations in the southern hemisphere.

Primates are a part of mammals that includes humans.