This jacket is made of down feathers and is very warm.

We had a picnic near the sea.

This sea route is an ancient trade route.

He learned the basics of Japanese.

He stood up and started talking.

He became a respectable businessman.

His feelings are always warm, giving me a sense of security.

I am studying Japanese katakana.

Mr. Nakatani is my best friend.

He is positioned in a lower rank.