Oxygen, which is one of the chemical elements, is necessary for us to breathe.

This candy contains sorbitol.

The nitrogen cycle is very important for maintaining ecosystems on Earth.

My grandmother is suffering from osteoporosis.

This rodenticide is very effective.

He has the ability to control the command zone.

I plan to dispose of this unnecessary furniture.

He said, 'It's difficult to make a life,' explaining the phrase 'When a man steps over the threshold, he has seven enemies.'

Polyandry is a social system in which one woman marries multiple men.

The two-humped camel is an animal adapted to live in the desert.