His father fell into a persistent vegetative state due to a traffic accident.

Basic oxides react with acids to produce salt and water.

This area is affected by radioactive fallout from past nuclear tests.

It is important for us to respect cultural diversity and understand each other's differences.

The study of filterable pathogens is an important part of virology.

She was diagnosed with polycystic ovary syndrome.

She was always supported behind him, hidden from view.

The leaf of this tea plant is vividly green, isn't it?

Please close the door.

I like listening to music.