沙尘中的细小颗粒只有在风的作用下才会漫天铺地。
Fine particles of dust do not simply lie around until they are blown away by the wind.
然尔，它们也会形成细小颗粒把光照反射到太空中去。
They also, however, have a tendency to form tiny particles that reflect sunlight back into space.
由蛋白质、脂肪和碳水化合物的细小颗粒组成的产品。
Products consist of fine particles of proteins, fats and carbohydrates.
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