Englishfor English speakers
hand
Noun
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Your hands are the parts of your body at the end of your arms. A hand has four fingers and a thumb.
Mother, I'm afraid, please hold my hand.
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Clock hands are pointed needles that show what time it is.
The long hand is pointing to the 4, which refers to how many hours have passed. The short hand is pointing to the 7, which refers to how many groups of 5 minutes have passed. The time is therefore 4:35.
hand
Verb
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If I hand you something, I give it to you.
Please hand me that tool. I can't reach it.
impact
Noun
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An impact is the act of one object hitting another.
In tests, the driver was unhurt, even in high-speed impacts.
Many buildings were destroyed as the plane exploded on impact.
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The impact is the effect of an act, statement, change, etc.
The report noted that most teachers feel that IT has made little impact on formal education.
The environmental impact of such increases in efficiency, however, depends on how you generate the power.
impact
Verb
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If something impacts you, it has an effect on you.
It is obvious how bad movies will impact on children.
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If you impact something, you press (or pack) its together.
There is a special tool to impact the road when it is under construction so the base is solid.
wrench
Noun
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A wrench is a tool that is used to adjust nuts and bolts.