The air conditioning in this room is very efficient.

The doctor told him that there was fluid accumulating in his thoracic cavity.

Last night, our town was hit by an air raid.

The enemy army made an air raid on our base.

The aerial bombing destroyed most of the city.

They bombed the enemy's city from the air.

There are still vacant seats on this train.

We send important goods by air transport.

We decided to transport the important cargo by air.

I found fresh mulberries in the mulberry field.