食品中钾的含量是多变的。

The potassium content of foodstuffs is very variable.

《柯林斯英汉双解大词典》

发言人称二氧化碳的含量很高。

A spokesperson commented that levels of carbon dioxide were very high.

《牛津词典》

酸奶的脂肪含量通常很低。

Yogurt is usually very low in fat.

《牛津词典》

It's not the best form of food in that they're actually very poor in protein, and unfortunately very, very rich in cyanide.

但木薯的根并不是最好的食物,因为它的蛋白质含量很少，而更不幸的是，它的氰化物含量非常，非常高。

麻省理工公开课 - 化学原理课程节选

You got cholesterol, sodium, carbohydrate here, broken down as fiber and sugars, and that's very helpful information to know.

这里还有胆固醇,钠及碳水化合物含量,碳水化合物又被细分为膳食纤维和糖,这也是很有用的信息

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Obviously, the amounts that are in cigarettes are not enough that people are dropping dead of cyanide poisoning, but still it's not a good idea you definitely want to minimize your exposure.

显然，香烟中的氰化物含量不足,以使人中毒而死，但这毕竟不是一个好主意,你绝对会想要将接触氰化物的机会减到最少。

麻省理工公开课 - 化学原理课程节选