On nights when the 'katsura flower' (a euphemism for the moon) shines beautifully, I feel special.

This quadrilateral is a square.

Japanese copulas are different from English in some aspects.

Kyoka is the capital of China.

It's difficult to calculate the area of this polygon.

We are a part of the Milky Way.

Please explain the progress of that project in detail.

As time passed, his heart began to calm down.

He is a science student.

He took over his father's company and has been successful in succession.