His noise is disturbing my study.

His life was impoverished, and every day was a struggle to survive.

Borates play an important role in chemical reactions.

He is good at solving trigonometry problems.

I saw a golden eagle flying in the sky at the top of the mountain.

The children were eating apples with a crunching sound.

Sea eagles are good at catching fish in the sea.

He is still young, so he has a youthful heart.

He talked in an indirect way.

The bald eagle is a species of Old World vulture.