Maybe you're not looking at a reaction, but you've got some new compound, and you're looking at it go from liquid to solid or to gas.

也许你研究的不是一个反应，但你得到了一种新的化合物，你看着它从液体变成了固体或气体。

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Bleach: Solid or liquid chemical compound used to whiten or remove the natural colour of fibres, yarns, paper, and textile fabrics.

漂白剂：固体或液体化学药品，用于漂白或除去纤维、纱、纸张和纺织品的天然颜色。

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An organic compound, C10H7CH3, obtained from coal tar in two isomeric forms, one a liquid, the other a solid.

甲基苯一种有机合成物，c10h7ch3，从煤焦油中提取，有两种。

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By combining an artist and scientific quest, the two professors at Michigan State University found that a certain type of metal-loving bacteria can transform high amounts of the toxic chemical compound gold chloride from a liquid into solid 24-karat gold.

FORBES: FOCUS: 'Microbial Alchemy' Produces Gold From Toxic Chemical