Reading Jump-Book 2 Unit 10 (E)

10 카드 | CompassPublishing

세트공유

atmosphere

the air around a planet
Our atmosphere contains oxygen.

comparable

similar
His work is comparable with the very best in modern fiction.

ensure

to make something certain
The slower speed ensures that the shuttle can enter Earth’s atmosphere safely.

friction

the act of sliding two objects against each other
friction caused the rope to break.

gravity

the force that makes objects with mass fall down towards the ground
Without gravity, we would all be floating in the air.

overcome

to control a problem or difficulty successfully
It took a long time to overcome my sadness after my cat died.

reenter

return to ~
Space shuttles often have to reenter Earth’s atmosphere.

safe

being free from danger or harm
It is not safe to lean out of the window.

speed

the rate at which something or someone is moving
The speed limit on this road is 60 miles per hour.

strength

a good characteristic
The shuttle must be more powerful than the strength of gravity.