He is an expert in tidology, studying the fluctuations of the sea's tides.

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.

Primates are a part of mammals that includes humans.

The spinal reflex is a part of our body that reacts automatically.

We threw a party to celebrate Mizu.

He was playing by swinging the tree branch.

Akira is always clear-minded and sincere.