When I was in my teens, I used to play soccer every day.

He went to buy new ink.

He was criticized for having a double standard.

He fired the gun with the muzzle pointed towards the sky.

The musk deer is often used as a source of fragrance.

These shoes have a double sole and are very durable.

In this area, the protection of beneficial animals is considered important.

He has been living in this town for several decades.

What is the length and breadth of this room?

In chemistry class, I learned about the process of polymerization.