蔗糖亦称调味糖：有机化合物，溶于水带有甜味的无色晶体。

Sucrose table sugar: Organic compound, colourless, sweet-tasting crystals that dissolve in water.

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一种无色晶体化合物，C13 H 17n 3o，用于退烧和止痛。

A colorless crystalline compound, C13H 17n 3o, used to reduce fever and relieve pain.

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一种无色晶体化合物，NH4SCN，用于织物印染、电镀和制造三聚氰胺。

A colorless, crystalline compound, NH4SCN, used in dyeing fabric, electroplating, and in making melamine.

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I know table salt is white, but that is because you have power and you have multiple surfaces scattering, but a large crystal of sodium chloride is clear and colorless.

我知道食用盐是白色的，但这是因为你让它成了粉末,因为有了多个散射面，但是一个大的氯化钠晶体,是无色透明的。

麻省理工公开课 - 固态化学导论课程节选