converge at(v.+prep.)
会于一点,向一点会合 (of lines, moving objects, etc.) (come towards each other and) meet at a point
▲converge at sth
The roads converged at the stadium.各条道路在体育场汇聚。

converge on(v.+prep.)
向…拥去,集中gather and move towards (sth/sb) from different directions
▲converge on sb/sth
Angry crowds converged on the speaker.愤怒的群众向讲演者拥去。
People converged on the political meeting from all parts of the city.人们从城市的四面八方涌向这次政治集会。

用作不及物动词
▲S+～(+A)
Their views are beginning to converge.他们的观点开始趋于一致。