I used binoculars to observe birds in the mountains.

The study of phonons is an important field in physics.

The coconut crab is the world's largest terrestrial crustacean.

This cosmetic contains licorice extract to protect the skin.

His olfactory organ is very sensitive.

Corona Borealis is one of the most beautiful constellations in the night sky.

He gripped the control stick and piloted the plane.

He was delighted to find a helmet crab.

This factory is our main source of supply.

My dream is to visit the Portuguese Republic.