Reading Future-Change 2 Unit 10 (E)

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세트공유

throughout

during every part of
As I worked throughout the night, I felt more tired.

exchange

to give something and get something back
I can't exchange things without them.

commodity

something you can sell for money
Which commodity cost $5.12 three years ago?

value

how important, useful, or expensive something is
Its value cannot be measured by money.

spice

part of a plant used to make food taste better
Cinnamon is the bark of a tree and is used as a spice.

metal

a hard, strong material that bends or melts with heat
The frame is made of metal.

coin

a form of money that is flat and round
We had a few coins jingling in her pockets.

stamp

to mark by pressing a design onto the surface
Always use a date stamp when you file letters.