huà xué fēn xī
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  • n.chemical analysis, determination of the chemical composition of a matter

    • nǐ kě yǐ yāo qiú gěi nǐ de zì lái shuǐ zuò huà xué fēn xī

      可以要求自来水化学分析

      You can ask for a chemical analysis of your tap water.

    • tǔ rǎng de huà xué fēn xī

      土壤化学分析

      a chemical analysis of the soil