While Roomba is already the world's best-selling vacuum cleaning robot, we continue to make improvements to ensure it is the best on the market and stays at the head of the pack.

尽管Room ba已成为全球最畅销的真空吸尘机器人，我们继续改进以确保它是市场上最好的产品，并保持领先地位。

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By the end of 2003 there were more than 600,000 robot vacuum cleaners and lawn mowers-a figure predicted to rise to more than 4m by the end of next year.

2003年底约有60万真空清扫机器人和锄草机器人——明年底这个数字预测将会超过四百万。

youdao

By the end of 2003 there were more than 600, 000 robot vacuum cleaners and lawn mowers-a figure predicted to rise to more than 4m by the end of next year.

2003年底约有60万真空清扫机器人和锄草机器人——明年底这个数字预测将会超过四百万。

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Her company makes the Roomba, a robot vacuum cleaner, but it has also already developed two robots for the battlefield.

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Even the little Roomba robotic vacuum cleaner morphed into a programmable robot called Create and made the list.

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