The prime meridian is the line that serves as a reference for determining the longitude of any point on Earth.

My Keeshond is very smart.

We need to solve the problem in the production environment.

He flipped the pages of the book.

He won in Mahjong with the Yakuman hand of Suuankou Tanki Machi, and the number of Han was 13.

Fundamental interaction is one of the most important forces in physics.

He was put in a straitjacket in the mental hospital.

I love listening to symphony orchestras.

I have been to Zhangjiakou.

He explained to me in detail about the constellations of the zodiac.