San Francisco tennis researcher John Yandell used a high speed video camera and special software to count the average number of revolutions of a tennis ball hit full force by Nadal.

So we go, sit, on the couch sit, tummy rub sit, look, I throw a tennis ball sit, say hello to that other dog.

So the top curve shows the body weight of a genetically obese mouse that eats nonstop until it turns fat, like this furry tennis ball.

I like tennis.

I like tennis.

I played tennis.

Do you play tennis?

Jane plays tennis too.

Does Ken play tennis?

Did you play tennis?

I can play tennis.

I can play tennis.

He played tennis yesterday.

Don't you play tennis?

Do you like tennis?

Do you like tennis?

He's a tennis player.

The women play tennis.

Playing tennis is fun.

Lucy likes playing tennis.

I usually play tennis.

Nancy doesn't play tennis.

Tom can't play tennis.

The tennis team played home games at tennis courts of other schools in the 5A district of the Texas Association of Private and Parochial Schools, and the tennis team practiced at the Memorial Park Tennis Center at Memorial Park.

He got the ball.

He got the ball.

He kicked the ball.

He threw the ball.

Please throw the ball.

Fred kicked a ball.

Fred kicked a ball.

(editor with Christopher Ball).

Good dribblers (or ball handlers ) tend to bounce the ball low to the ground, reducing the distance of travel of the ball from the floor to the hand, making it more difficult for the defender to steal the ball.

Are you good at tennis?

When do you play tennis?

Where do you play tennis?

Did you play tennis yesterday?

She plays tennis every day.

Let's play tennis after school.

Let's play tennis after school.

I play tennis every day.

I played tennis all day.

My friend doesn't play tennis.

My friend doesn't play tennis.

My friend doesn't play tennis.