He spent time preparing for the speech.

Polyoxymethylene is a plastic that excels in heat resistance and wear resistance.

This product is made of polystyrol.

We understand that teamplay is necessary for us to succeed.

I bought a new beach towel.

Once you finish this tutorial, you can acquire a new skill.

I love Shochu highball.

He believes in the geocentric theory.

He opened his sketchbook and began to draw a new design.

The sixteenth day is my birthday.