Please teach me how to use this machine.

The blastula stage is an early stage where the fertilized egg divides and becomes a cell with many cells.

Feudalism characterized the social system of medieval Europe.

There are a lot of fragrant grass growing in this park.

A person who committed the crime of public urination was arrested in the park.

He is a highly respected judge.

He is an expert in public law.

My younger brother caught smallpox.

This radio is emitting music.

As a way of repaying the kindness of me helping him, he helped me repair my house.