I used binoculars to observe birds in the mountains.

The study of phonons is an important field in physics.

This factory is our main source of supply.

That battlefield was truly a hell of agonizing cries.

My dream is to visit the Portuguese Republic.

He is undergoing psychotherapy to overcome anthropophobia.

He joked around and used vulgar language.

The phoenix is a legendary bird, symbolizing the female phoenix.

He achieved a rank of 'B' in school.

He has a strong will that does not succumb to peer pressure.