Awao-umi is a freshwater lake, and it is well-known for its beauty.

Sea eagles are good at catching fish in the sea.

We had a picnic at the lake over the weekend.

Sea snakes are known for their venom.

Sea turtles are particularly long-lived among marine creatures.

My main business is the development of new products and marketing.

The ship is rocking in the rough sea.

I ended up having to fight a single match with him.

He and I had a single battle in chess.

The Zero was the main fighter of the Japanese Navy.