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Multi-word Results
air bag
a bag in the front of some cars that blows up with air instantly in a crash to stop the passengers from being thrown forward.
air conditioner
An air conditioner is a machine that cools the air in a room or car.
air conditioning
When you have air conditioning in your house, it means that you have a system that cools the air inside your house.
air force
An air force is a group of people who fight like an army but fight in the air instead of on land. An air force uses airplanes and other machines that travel through the air.
air pressure
the force of air on things. Air pressure has to do with how much force air has when it has been compressed into a space like a tire. It is also the pressure of the earth's atmosphere.
hot-air balloon
A hot-air balloon is a very large bag that rises high up into the air when it is filled with hot air. This kind of balloon can be attached to something that carries passengers.
into thin air
out of sight.
off the air
not broadcast on radio or television.
on the air
broadcast on radio or television.
up in the air
not decided, not settled, or not certain.
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