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
I wonder if you and your husband can join us.
不知道你和你丈夫能不能赏光？
Slowly, stricter laws and regulations are being passed by Congress.
慢慢地，在国会表决通过了更严厉的法律法规。
How long has this factory been open?
这家工厂建成有多久了？