He is learning how to use the tonfa, a traditional Okinawan weapon.

I saw a dragonfly in the park.

A soliton is a part of physics, referring to a wave that progresses while maintaining a certain shape.

It is important for each person to fulfill their role.

I have recently started a new job.

Today's temperature is 30 degrees.

He redid the job three times.

This angle is 90 degrees.

This is our third date.

He acted according to my instructions one by one.