He is interested in diachronic linguistics studies.

He is interested in synchronic linguistics.

He is thought to be a very unsociable person.

This character is the old form of 応.

He hit me in anger.

Chrysophyta perform photosynthesis underwater.

Chrysophyta are living in this pond.

The colossal squid is the largest squid living in the deep sea.

The colossal squid is one of the largest squids in the world.

He always lives a life appropriate to his lot.