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[C]
   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。

n.

1. a point where two or more things, especially roads or railway lines, meet or are joined.
2. Electronics  a region of transition in a semiconductor between a part where conduction is mainly by electrons and a part where it is mainly by holes.
3. the action of joining or being joined.