He underwent surgery for a problem with his duodenum.

Sodium bicarbonate is a versatile item that can be used for cooking and cleaning.

Juzo is my best friend.

Shunju is one of the historical books in China.

I like climbing mountains in spring and autumn.

He came to America as an immigrant when he was young.

In this area, beneficial animals play an important role in maintaining the balance of nature.

He entered the forest with a shotgun.

The specific gravity of this substance is higher than water.

This factory uses fuel oil as its main fuel.