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.

His prison term is five years.

The opportunity for his success was his participation in that new project.

He won the game using the promoted knight.

His description was very detailed.