School Subject Readings 2/e-Book 3 Unit 16 (E)
8 카드 | CompassPublishing
세트공유
billion
one thousand million; a 1 followed by nine zeros
There are billions of stars in the sky.
burn
to be on fire
The wall is hot, is it burning?
collapse
to suddenly fall down or break apart into pieces
The hurricane caused the building to collapse.
dense
made of or containing parts that are very close together
The ocean is dense with marine life.
expand
to spread out wider
The balloon will expand if you blow air into it.
explode
to burst into pieces with a lot of force and noise
The bomb is going to explode!
piece
a small amount of something that comes from a bigger thing
She ate three pieces of pizza.
scientist
someone who studies science and the natural world
To become a scientist requires hard work.
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