glycerin is used as [noun]
常用搭配，表示用途。
Glycerin is used as a humectant in cosmetics.
甘油在化妆品中用作保湿剂。
甘油；丙三醇
一种甜味糖浆状的三羟基醇,由脂肪和油脂皂化制得；丙三醇；[医] 甘油
a sweet, syrupy alcohol obtained by saponification of fats and oils
一种甜味糖浆状的三羟基醇,由脂肪和油脂皂化制得
a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils
The recipe calls for a tablespoon of glycerin to keep the cake moist.
食谱要求加一汤匙甘油以保持蛋糕湿润。
用法提示：这里的 glycerin 作为名词，指用于食品保湿的甘油。
Many skin lotions contain glycerin to prevent dryness.
许多护肤乳液含有甘油以防止干燥。
用法提示：这里的 glycerin 作为名词，指化妆品中用作保湿剂的甘油。
Glycerin is a common ingredient in antifreeze solutions.
甘油是防冻液中的常用成分。
用法提示：这里的 glycerin 作为名词，指工业中用作防冻剂的甘油。
常用搭配，表示用途。
Glycerin is used as a humectant in cosmetics.
甘油在化妆品中用作保湿剂。
常用于制作过程。
Add glycerin to the soap mixture.
向肥皂混合物中加入甘油。
Many lotions contain glycerin.
许多乳液含有甘油。
grammar · medium
易错句子I need a glycerin for the recipe.
正确表达I need some glycerin for the recipe.
甘油是不可数名词，不能使用不定冠词 'a'，应使用 'some' 或省略冠词。
grammar · medium
易错句子Glycerins are used in cosmetics.
正确表达Glycerin is used in cosmetics.
甘油是不可数名词，没有复数形式，动词应用单数。
甘油（C3H8O3）与乙二醇（C2H6O2）虽同为醇类，但化学结构和用途不同：甘油常用于化妆品和食品，乙二醇主要用于防冻液。
甘油是一种醇，甘油酯是甘油与脂肪酸形成的酯，属于脂类化合物。
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