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
Good idea.
好主意。
I'd like to change this ticket to the first class.
我想把这张票换成头等车。
By this time her legs were beginning to tremble,
这时她两腿累得开始发抖，