Potassium is a silver-white soft metal with extremely active chemical properties.

钾是一种银白色的软质金属，化学性质极其活泼。

Potassium is widely distributed in the land and sea in the form of salt.

钾元素以盐的形式广泛的分布于陆地和海洋中。

Potassium can regulate the osmotic pressure of the cells and the acid-base balance of body fluid.

钾可以调节细胞内渗透压和体液的酸碱平衡。

The medical experts found potassium levels were particularly high in some children.

医学专家发现有些儿童体内钾含量特别高

Watermelon contains vitamins and also potassium.

西瓜含有维生素也有钾。

These chemicals modulate the effect of potassium.

这些化合物可以调节钾的功效。

The potassium content of foodstuffs is very variable.

食品中钾的含量是多变的。

Fruits, vegetables, and wholegrains are rich in potassium.

水果、蔬菜和全谷物富含钾。

Calcium reacts with water but less violently than sodium and potassium do.

钙能与水产生化学反应但不如钠以及钾那么剧烈。