Fumitsuka is my best friend.

This book explains the brief history of Japan in detail.

I read the History of Ming and learned deeply about Chinese history.

The government declared a state of emergency to prevent the spread of the new coronavirus.

The trailing edge of this airplane has a very unique shape.

After school, we study at the library.

He suffered a minor contusion on his occiput.

He sneaked into the school through the back gate.

He was unconsciously following the woman.

This word is used as a postposition.