vi.聚合；集中；会聚
vt.使集合
These lines converge at a certain point. 这些线集中于某一点。
If you look at the end of your nose, your eyes converge. 如果你看着你的鼻尖，你的两眼就向一点集中。
In this case the rays obviously do not converge. 此时，光线显然不会聚。
Railway lines seem to converge when one looks at them from a distance. 从远处看铁路好象会聚于一点。
adj.趋集于一点的；会聚性的；收敛的
n.收敛；汇聚；汇合点
