potassium
/pә'tæsiәm/
★☆☆☆☆托福英语词汇
📖 中文释义
- n. 钾
- [化] 钾K
💬 双语例句
Potassium, heated with a Bunsen burner, gives the flame a lilac color.
用本生灯加热钾，火焰就会呈现淡紫色。
🔗 常用搭配
📘 English Definition（英文释义）
- n. a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite