juncture n.
1、 接合连结接合处连接点时刻 [U][C]
at the juncture of the two mountain paths
在两条山路的交接处
junction n.
1、 连接接合汇合 [C][U]
2、 接合点交叉点(铁路的)联轨站(河流的)汇合处
The gas station is at the junction of two highways.
这个加油站位于两条公路的会合处。
A junction is a place where two things join or meet， or the act of joining or meeting.
Juncture has traditionally borne these senses as well， but in modern usage it more often refers to a point in time， especially one made critical by a confluence of circumstances.
一般来说的话，可以通用，可时间的连接多用juncture。
