In this chemical reaction, volatile substances are produced.

There are several thousand books in this library.

He adjusted the position of the hyoid bone to improve the quality of his voice.

I was surprised when I read the true record of this incident.

She was studying the bone structure of the human face, and was particularly interested in the lacrimal bone.

He was born and raised in a megalopolis.

Kigali is the capital of Rwanda.

He faced the difficulties with a resolute attitude.

That mountain is standing lofty.

He put the matchbox in his pocket.