His actions became a great disgrace to his family.

The power of that robot far exceeds that of humans.

His energy towards his work is amazing.

Even though he is getting older, he still has vitality.

The topography of this area was mainly formed by the geomorphic agent of wind.

He was observing the distant birds using binoculars.

English is widely used as a common language in the world.

He is reading the daily scripture.

I used binoculars to observe birds in the mountains.

The study of phonons is an important field in physics.