Her hand moved slowly across the piano keys.
Meaning: This means that her hand was moving at a low speed from one side of the piano to the other.
Choice of Words: Hand is the part of the human body that is at the end of the arm. Moved is a verb that means to change position. Slowly means at a low speed. Across means from one side to the other. Piano is a musical instrument with keys that you press to make sounds. Keys are the small buttons on a piano that you press to make sounds.
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Related Expressions