His movement was very fast.

He is researching on the pathogenesis and treatment of early-onset diabetes.

This area is rich in bedded cupriferous iron sulphide deposits.

He is an important character.

Fumiko wrote him a letter.

We decided to explore the cave.

I live in Tokyo.

He said it was hard to bring up Mitsuru.

縱 is a kanji that is not often seen in names.