Milk solids include salts, protein and sugar.

牛乳中的固态物质包括盐分、蛋白质和糖。

《新英汉大辞典》

Second, sour cream is made by adding milk solids to obtain the desired texture.

第二，酸奶油要添加乳固体来达到需要的口感。

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An easy solution, Iserloh said, is to try skim milk plus, which has added milk solids for a creamier taste.

Iserloh说，一个很简单的解决方法就是给脱脂牛奶加料，加入固态奶制品可以获得更加浓郁的口感。

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On average, the composition of Holstein milk is 87.7 percent water, 3.7 percent milk fat and 8.6 percent skim solids.

FORBES: Why Milk Isn't As "Natural" As You Think

Milk that is in its final package form for beverage use shall have been pasteurized or ultrapasteurized, and shall contain not less than 8.25% solids and not less than 3.25% milk fat .

FORBES: Why Milk Isn't As "Natural" As You Think