"Explain" 是一个常用的动词，意思是 "解释、说明"。例如：

Can you explain the concept of photosynthesis to me? (你能向我解释光合作用的概念吗？)
She explained how to use the new software to the entire team. (她向整个团队解释了如何使用新软件。)

"Explain" 来自拉丁文 "exppcare"，意思是 "unfold, unfold before one's eyes, make clear, clear up"。

此外，"elucidate" 是一个常用的动词，意思是 "阐明、阐述"。例如：

The teacher elucidated the principles of quantum mechanics to the students. (老师向学生阐述了量子力学的原理。)
The scientist's research paper elucidates the underlying mechanisms of the disease. (这位科学家的研究论文阐明了这种疾病的潜在机制。)

"Elucidate" 来自拉丁文 "elucidatus"，意思是 "make clear, clarify"。