mineral/'mɪnərəl/

n. a valuable or useful substance such as iron or salt which is formed naturally in the ground

n. [C] 矿物质，矿物：The food is full of valuable vitamins and minerals. 这种食物含有丰富的、有价值的维生素和矿物质。

构词mine + r + -al

音组-eral/-ərəl/

federal; funeral; general; mineral; several