In the old days, people used to draw water directly from the river and drink it.

Please give me a glass of water.

He drank water.

There are a lot of old furniture in the storage room.

His body showed a rejection reaction to the transplanted organ.

His single word triggered a chain reaction, and everything changed.

This chemical reaction is very dangerous.

She overreacted to his words.

Nuclear reactions are used for mass production of energy.

I was surprised by his overreaction.