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n. a thing that can be dangerous or cause damage
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n. a layer of bricks, concrete, etc. that forms the solid underground base of a building; a principle, an idea or a fact that sth is based on and that it grows from
v. to shine brightly with little flashes of light, like a diamond
n. unusually great intelligence, skill or artistic ability; a person who is unusually intelligent or artistic, or who has a very high level of ski especially in one area
n. the act of fixing equipment or furniture in position so that it can be used
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