Analyzed qualitatively and determined quantitatively the exist and relative content of aloe dry powder by visual colorimetry, which using product of coloured complex and colour difference.
研究了利用有色复合物的生成及颜色差别，定性鉴别和目视比色定量测定芦荟干粉的存在和相对含量的方法。
2
When talking about appearance, you can contrast the way you look with the way another relative looks, you can talk about how tall someone is and their hair colour.