noun🔗Share钾 A soft, waxy, silvery reactive metal that is never found unbound in nature; an element (symbol K) with an atomic number of 19 and atomic weight of 39.0983. The symbol is derived from the Latin kalium."The fertilizer contained potassium to help the plants grow stronger. "这种肥料含有钾，能帮助植物更茁壮地生长。elementchemistrysubstancematerialscienceChat with AIVocabulary GamePractice Reading
noun🔗Share钾, 钾原子 A single atom of this element."A single potassium atom is too small to see with the naked eye. "一个单独的钾原子太小了，肉眼无法看见。elementchemistrysubstanceChat with AIVocabulary GamePractice Reading
