名词
中文翻译：真空
同义词：
['vacuum', 'vacuum state', 'vacuum space']
例句：
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1.The vacuum cleaner is designed to suck up dust and dirt.
真空吸尘器设计用来吸走灰尘和污垢。
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2. The vacuum cleaner is a great tool for cleaning hard-to-reach places.
真空吸尘器是清理难以到达地方的好工具。
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3. The vacuum cleaner is essential for maintaining cleanliness in the home.
真空吸尘器对于保持家庭清洁至关重要。