The gimmick of this game is very unique and interesting.

This sentence includes a keyword.

He is repairing an old motorized bicycle.

His trilogy is very popular.

A tree kangaroo is a type of kangaroo that is good at climbing trees.

I am scheduled to have LASIK surgery next week.

The calculation of the arccotangent is a part of trigonometry.

I have been to Vintofukku.

How much wood can a woodchuck knock down?

Let's cherish our relationships with friends so as not to become a bully.