carpool - people who travel together, fire engine - a large vehicle that carries firefighters, ambulance - a vehicle that takes sick people to hospital, escalator - stairs moving up and down, elevator - a construction lke a box moving up and down from one floor to another, traffic jam - lots of vehicles together moving slowly, button - you press it, blade - the flat part on a tool used for cutting, recharge - fill a battery with electricity,

Oxford Discover 3 Unit 10

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