potassium
n[U]
chemical element, a soft shiny silvery-white metal occurring in rocks and in the form of mineral salts and essential for all living things 钾. =>App 10 见附录10.
🗣️ 情景例句
I appreciate it very much.
我非常感激你的帮助。
To graduate from the university
大学毕业
I think foreign languages are more interesting than science.