Prevention of sexually transmitted diseases is very important to protect your own health and that of your partner.

He is known as an anti-establishment activist.

He has a collection of taxidermy.

Einstein's theory of relativity forms the basis of physics.

He was dreaming of the conquest of Russia.

This mature chicken is being raised for egg production.

The company is facing an economic downturn.

The cold pasta at this restaurant is very delicious.

He taught me the correct posture for playing the piano.

I buy groceries at the co-op every week.