Where is my water bottle?

Today's rainfall was higher than average.

It's difficult to calculate the sum of this series.

He took a deep breath and inhaled the fresh air.

The service life of this machine is 10 years.

My hobby is playing wind instruments.

He is good at playing the trumpet.

The total number of this class is 30.

Before his afternoon work, he always takes a nap.

I take a nap every afternoon.