Four element theory
[化] 四元素说; 四元素学说
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
element
['ɛləmənt]
n. [化]元素;要素;原理;[电]电阻丝;
🗣️ 情景例句
He speaks French and English with equal ease.
他说法语和英语都一样自如。
I'd like to know some information about the current investment environment in your country?
我想了解一下贵国的投资环境。
There was a good talk about the increase in the world's population.
有个关于世界人口增长的谈话，很不错。