Based on the Air Pollution Control Law, factories must strengthen the management of exhaust gases.

I saw a woodpecker in the park.

He practices every day to polish his skills.

His success is small, relatively speaking.

The luster of that pearl is very beautiful.

Please turn on the light in the room.

They were fighting fiercely.

I received a friendship bracelet from my best friend.

Winter swimming in the dead of winter is a harsh sport that tests physical and mental strength.

I work out every day to strengthen my body.