丹砂

xiān mín men duì dān shā de kāi cǎi chéng guǒ xiǎn zhù

先民们对丹砂的开采，成果显著。

The mining of cinnabar of early people was fruitful.

liàn dān shù shì men wéi rào zhe dān shā yǐ jí yǔ dān shā yǒu guān de wù zhì jìn xíng le gè zhǒng kě néng xìng de tàn suǒ hé shí yàn bìng liǎo jiě dào le xǔ duō xiāng guān de huà xué zhī shi

炼丹术士们围绕着丹砂以及与丹砂有关的物质进行了各种可能性的探索和实验，并了解到了许多相关的化学知识。

Some alchemists had understood chemical knowledge by various kinds of possible experiments and exploration on cinnabar and related materials.