Short Articles for Reading 2nd-Book 3 Unit14 (E)

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세트공유

invincible

cannot be defeated
The word diamond comes from an old Greek word meaning invincible.

durable

tough and able to last a long time; resistant to wear
Diamonds are quite durable and strong.

sparkle

to shine with a lot of very small points of light
Diamonds sparkle because they can catch light well.

jewelry

ornaments people wear, such as rings or necklaces
My favorite piece of jewelry is my ring.

igneous

rock formed by volcanic activity
Diamonds come from igneous rock from under Earth.

volcanic

relating to or coming from a volcano
Diamonds form in igneous rock and are formed by volcanic activity.

source

the place from which something comes
Milk is a(n) source of calcium.

deposit

a natural buildup that remains after a geological process
We found a(n) deposit of oil under the ground near our city.

mine

to dig in order to find and take away coal or another substance
Diamonds that are mined have been forced near the surface of Earth over time.

significant

important
The cost of gas will not increase significantly.

cheap

inexpensive; costing very little
The pencil is cheap by the dozen.

industrial

relating to industry
The factory is in the industrial area of town.