Future Literacy 150-3 영영 Unit 16

교육안내

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세트공유

pyramid

n. a structure with triangle-shaped sides that meet at the top
The pyramids of Egypt are amazing.

sand

n. the very tiny, loose pieces of rock
52 degrees is the largest angle that sand can create in a pile.

keep

v. to continue
You can keep pouring sand in a pile.

pour

v. to cause (something) to flow
You can keep pouring sand in a pile.

pile

n. a group of things placed on top of each other
You can keep pouring sand in a pile.

steep

adj. rising or falling sharply
But the pile will not get steeper after 52 degrees.

try

v. to make an effort to do something, to attempt
You can try this with sand, sugar, or salt.

call

v. to give a name to something or someone
These three pyramids are called “true” pyramids.

true

adj. real or genuine
These three pyramids are called “true” pyramids.

side

n. an outer surface or part of something
They are called “true” pyramids because the four sides go up at a 52-degree angle.

degree

n. a unit for measuring the size of an angle
They are called “true” pyramids because the four sides go up at a 52-degree angle.

angle

n. the space between two connecting lines
They are called “true” pyramids because the four sides go up at a 52-degree angle.

perfect

adj. completely correct or accurate
The angle measurements are perfect.

secret

n. a fact or piece of information that is kept hidden
The secret of this perfect angle is math.

math

n. the science of numbers, quantities, and shapes and the relations between them
The secret of this perfect angle is math.