Their device relies on cheap and abundant elements like carbon, iron and potassium to form compounds that are nontoxic, fire-resistant and generally safer.

他们的设备依靠廉价和丰富的元素，如碳、铁和钾的形式，是无毒的化合物，和一般的安全防火。

youdao

Here \ \ \ 's another soup secret we tend to forget despite its claim to protein, fiber, potassium, phosphorus and iron.

这是另外一个汤的秘密，我们注意不要忽略大麦含有蛋白质、纤维素、钾、磷和铁。

youdao

They're full of fiber, calcium, potassium, and iron.

它们含有丰富的纤维、钙、钾和铁。

youdao

This herb is packed with antioxidants -- vitamins A, C, and K -- as well as iron, potassium and calcium and can help improve digestion.

CNN: 10 nutrition powerhouses for kids

These little beans are nutrition powerhouses, packing protein, fiber, iron, manganese, folate, thiamin, potassium and other nutrients into a modest calorie count, with just a speck of fat and no cholesterol.

NPR: Falling in Love with Limas

Jake Matijevic was found to be high in elements consistent with the mineral feldspar, such as sodium and potassium, and low in elements such as magnesium and iron.

BBC: Nasa's Curiosity rover finds 'unusual rock'