Englishfor English speakers
shock
Noun
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A shock is the way it feels when a heavy thing suddenly hits another thing.
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A shock is a sudden change that surprises people.
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Shock is the way a person is when the person has lost some blood or has been hurt, and their heart is beating very fast and weakly.
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A shock is some electricity that suddenly hurts someone.
shock
Verb
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You are shocked when you are surprised at something
He was shocked at how much she had changed since he had last met her.
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If you have been shocked, you were hit by electricity.
acceleration
Noun
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Acceleration is a change in speed.
As the plane took off, the acceleration pressed her into her seat.
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Acceleration is by how much a speed or velocity goes up.
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derivative for velocity,has formula matha=\lim_{\Delta x \to 0}\frac{\Delta v}{\Delta t}/math .