The calculation of the arccotangent is a part of trigonometry.

He could not believe that statement.

In this town, the clearing out of mud from a ditch is carried out every spring.

This is my new car.

The Ryukyu flying fox is a large bat that lives in the Ryukyu Islands.

I achieved a big success.

I believe that virtue is the highest virtue of mankind.

Today is my grandmother's death anniversary.

He is planning to return to Japan next week.

That teeny dog is very cute.