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Welcome to the Voice of America’s News Words.
At the Tesla “AI Day” last month, company founder Elon Musk showed off the latest version of a humanoid robot.
Prototype
The type of robot, called Optimus, is in development at the electric car company Tesla.
A prototype will begin testing by carrying car parts around the Tesla factory.
A prototype is a first, especially as a machine, from which other forms are developed or copied.
A prototype is used to test a new idea or way of doing something.
*This article has been edited and reprinted from VOA Learning English with permission from Voice of America (VOA) for use in English language materials.
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