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Machine language: Imitate the robot language, press the remote control, the robot will emit equipment sound effects.
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Popular Science and Space Knowledge: Explain to your children what space is, the Milky Way, the eight planets, what is the universe, and explore the wonders of the world.
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Intelligent English dialogue: Rich and diverse conversations such as greeting language, about numbers, learning tools, transportation dialogues, have companionship and exercise language skills.