The dying message we found in his room holds the key to the case.

The water of this river is muddy.

Family is very important to me.

In the ecosystem of this area, 'inquilinism', where certain species parasitize the nests of other species, is common.

Learning about the history of Seiban is important for understanding our past.

Gender discrimination is one of the social issues that needs to be resolved.

Xikang is a historical region name in China.

Finding an asterism is a great joy for astronomers.

The life in the bay is quiet and peaceful.

The Stars and Stripes is the national flag of America.