名词
中文翻译:Unknown
同义词:
['substance', 'substance', 'particle', 'granule', 'micron']
例句:
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1. The particlesin the water are suspended in the air.
水中的颗粒悬浮在空气中。
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2.The particles of sand are very fine.
沙子的颗粒非常细小。
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3. The particle size is a critical factor in determining the quality of the product.
颗粒大小是决定产品质量的关键因素。