That information is not yet verified.

The polyhedral angle of this cube is 90 degrees.

The yūkaku of the Edo period was a world completely different from modern entertainment.

By normalizing the data, analysis becomes easier.

Normalization of a database is important to avoid data duplication.

The yūkaku (licensed red-light districts) of the Edo period had a culture greatly different from today's sex industry.

This kanji has many strokes, doesn't it?

I will go fishing for grouper.

He posts on his blog every day.

He posts on the bulletin board every day.