connect的名词是connection；
connection：n.(两种事实、观念等的)联系，
关联；联结；接通；连接；连接点；(尤指电力系统的)接头
Scientists have established a connection between cholesterol levels and heart disease.
科学家已证实胆固醇含量与心脏病之间有关联。
He is wanted by the police in connection with the deaths of two people.
他因与两条人命有关而受到警方通缉。
A faulty connection caused the machine to stop.
线路接错导致机器停止运转。
温馨提示：
