名词
中文翻译：微粉
同义词：
['microparticle', 'nanoparticle']
例句：
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1.The microparticles in the paint are very small and can't be seen with the naked eye.
油漆中的微粉非常小，肉眼无法看见。
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2.The nanoparticles in the drug have been shown to have antibacterial properties.
这种药物中的纳米粒子已被证明具有抗菌性质。
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3. The minute granules of sugar dissolved in water form a sweet solution.
糖的微小颗粒溶解在水中形成了甜溶液。