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
Do you want to get together and study sometime?
你想和我一起学习吗？
How much is it by registered mail?
挂号信要多少钱？
The idea of colonising Mars---- a world 160 times more distant than the Moon----
征服火星的计划-一个比月球远160倍的星球