That visit gave rise to a fruitful discussion in which various opinions were voiced.

gave 是动词 give 的过去式，意思是"给予、产生"。 rise 是名词，意思是"上升、出现"，在这里指"产生、引发"。 to 是介词，表示方向或结果。 gave rise to 是一个固定短语，意思是"引起、导致"，表示某事物引发了另一事物的出现或发生。