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.

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.

I am planning to go to Chongqing next week.