1. The scientist propounded a new theory about evolution.
这位科学家提出了一个新的进化理论。

2. He propounded his ideas during the conference.
他在会议期间提出了自己的观点。

3. The philosopher propounded several arguments on ethics.
这位哲学家提出了多项伦理论证。

4. She propounded a hypothesis for further research.
她提出了一个供进一步研究的假设。

A: Who propounded this theory?
A：是谁提出这个理论的？

B: It was propounded by a group of researchers.
B：这是由一组研究人员提出的。

1) 指正式提出理论、观点或学说

2) 常用于学术论文或科学研究中

3) 表示清晰、系统地阐述一个观点

4) 强调公开提出并供讨论的内容

1. 提出（理论、观点等）

e.g. The theory was propounded by a famous scientist.
该理论由一位著名科学家提出。

verb (past participle)

1. to put forward or state an idea, theory, or opinion for consideration.

Synonym: propose, present