形容词
中文翻译：超干净的
同义词：
['ultimately clean', 'impeccably clean', 'spotless例句：1. The room was ultraclean before the guests arrived.（客人到来之前，房间非常干净。）']
例句：
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1. The room was ultraclean before the guests arrived.
客人到来之前，房间非常干净。
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2. Ultraclean technology is used in many industries to remove pollutants.
超干净技术被用于许多行业以去除污染物。
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3. The ultraclean lab equipment ensures accurate results for scientific experiments.
超干净实验室设备确保科学实验结果的准确性。