Englishfor English speakers
variation
Noun
—
A variation of something is the same thing, but changed a little bit.
The music is a variation of a Japanese song from the 1950s.
—
Variation is the difference in amount, colour, size, etc. among many things.
There was a lot of variation in price among the stores.
from
Preposition
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When something is from someone, the person gave or sent it.
I got a gift from my grandmother today.
—
When someone is from a place, that's where they started.
I am Chinese. I come from Hunan province.
Sorry I'm late. I just came from school.
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You use from to talk about distances between thing in space or time.
Saturn is far from earth.
School is 5km from my home.
The year 2515 is a long time from now.
plumb
Adjective
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truly vertical
if an endlessly long line was plumb, then it would go through the center of the Earth
plumb
Adverb
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in a truly vertical direction
same as the adjective meaning
plumb
Noun
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a heavy piece of lead attached to string used to tell whether a line is truly vertical