potassium

pә'tæsiәm
托福 Collins 1

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

中文翻译

n. 钾
[化] 钾K

1
Collins 星级
10,661
BNC 频率
12,184
使用频率

记忆技巧

potassium 源于拉丁文 potassa，表示“碱性”的物质。可以记住它与“pot”（锅）有关，因为锅里常用含钾的盐来调味。

例句

1. Potassium is essential for maintaining a healthy heart.
钾对维持心脏健康是必不可少的。
2. Bananas are a good source of potassium.
香蕉是钾的良好来源。
3. People who exercise often need more potassium in their diet.
经常锻炼的人在饮食中需要更多的钾。

学习工具