Raise hands.
Meaning: This means to lift your hands up in the air to show that you want to say something, answer a question, or participate in a discussion. It's like saying, Indicate your desire to contribute by lifting your hands.
Choice of Words: Raise is a verb that means to move or lift something upward. Hands are the upper limbs of a human body that contain fingers and are used for grasping. In this context, 'raise hands' is a common expression used in the classroom to indicate that someone wants to speak or participate.
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