The confluence of two rivers is the place where they join and become one larger river.
例句
The 160-metre falls mark the dramatic confluence of the rivers Nera and Velino.內拉河和韋利諾河的匯合處是落差達160米的瀑布，景象十分壯觀。
N-COUNT
匯集;匯合
If there is a confluence of two things, they join, combine, or come together.
例句
Like most cases of extreme weather, its severity was due to an unusual confluence of events.如同大多數極端天氣狀況一樣，其劇烈程度是由于幾種氣象條件反常地匯集在一起造成的。...the confluence of African and Portuguese cultures in Brazil.非洲文化與葡萄牙文化在巴西的匯合
英漢詞典釋義
n.
<正>(事物的)匯合,會聚,匯集;匯流
a confluence of artistry, superb choreography, and stage design.藝術技巧、優美的舞蹈和舞臺設計的融合
英英詞典釋義
Noun
1. a place where things merge or flow together (especially rivers);
"Pittsburgh is located at the confluence of the Allegheny and Monongahela rivers"