He was reading a book about ancient warships.

The yield rate of this factory is very high.

Yesterday, I went to see a Bugaku performance.

He is always flattering to be obsequious to his boss.

He had a big lump on his head.

I crossed to the island by ferry.

He goes to the dojo every day to learn martial arts.

The 'Naribumi', which started from the Heian period, played an important role in Japanese history.

In geomorphology, an antidune is a special type of sand dune that forms on the downstream side of a water flow.

The Mariana Trench is the deepest part of the earth.