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1·And then we can say, OK, if we have many constituents, what if we have a mixture of stuff?

然后我们可以问，如果我们有很多组分，那么我们把它们混合后会是怎么样？

2·Qualitative analysis determines the chemical constituents of a substance or mixture.

定性分析确定物质或混合物的化学成分。

3·It is principally a mixture of the glycerides (see glycerol) of many fatty acids, But its minor constituents, the fat-soluble vitamin a and vitamin d, give it its importance.

主要是由多种脂肪酸甘油脂组成的混合物，含有少量但很重要的脂溶性维生素a和d。

4·In the adsorption experiments of hydrocarbon Liquid mixture, heavy constituents have a greater impact on the adsorption.

⑦烃类液体混合物吸附实验中，重组分对吸附影响较大。