He is traveling around the world as an ecologist.

He conducted the trial based on common law.

This is the book that I am reading.

The grass radical is one of the radicals in kanji, and it is written as 艹.

In this company, it is a convention for new employees to greet their seniors.

Euclidean space is one of the basic concepts in mathematics.

What is the standard time in Japan?

My grandmother needs home nursing.

We need to check the relevance of this data.

We play basketball in the gym every Friday.