potassium

I let the silver nitrate react with pieces of brain hardened in potassium dichromate.

我让已被重铬酸钾硬化的一些脑组织细胞与硝酸银反应。

Tomatoes is a remarkable vegetable for your skin as it is high in vitamin A, vitamin C, and potassium.

您的皮肤来说西红柿是一个了不起的蔬菜，因为它富含维生素A ，维生素C ，和钾。

They also contain a rich supply of vitamins A and C, folate, potassium, magnesium and fiber, which may reduce the risk of certain cancers.

他们还包含了丰富的维生素A和C ，叶酸，钾，镁，纤维，这些都是可以减少患有某些癌症风险的元素。