Reading Future-Change 1 Unit 11 (E)

8 카드 | CompassPublishing

세트공유

mechanic

someone who fixes machines
The mechanic is seated on the floor of the car.

serve

to do a job
He served as a waiter there.

speed

how fast something moves
The speed of that car was incredible.

sound wave

the movement of air as it travels away from the source of the sound
Sound waves cannot travel through a vacuum.

impossible

not able to be done
It is impossible to finish the work on time.

reach

to arrive at; to get as far as
We reached the airport on time.

pioneer

someone who is the first to do something
He is a pioneer in computer programming.

aircraft

a machine that can fly
The Air Force maintains many kinds of aircraft.