We go sea bathing with the family during the summer vacation.

I feel a lack of sleep.

He was hospitalized for dropsy.

The computer generates a random number.

He is doing research on prime numbers.

If you subtract the subtrahend, you will get the answer.

He is the centre of this project.

We are giving the silage to the cows.

He is living as a bhikkhu.

I learned about Avogadro's number in chemistry class.