Intercommunicate
vi. 相互交往, 互相联络, 交际
📖 牛津释义
intercommunicate
v
1 [I, Ipr] ~ (with sb) communicate with one another; give messages to each other 互通消息; 互相联系
The lack of a common language made it very difficult to intercommunicate (with each other). 缺乏共同语言很难（相互）联系.
2 [I, Ipr] ~ (with sth) (also interconnect) (of two or more rooms, compartments, etc) have a means (eg door or corridor) of passing from one to another （指房间、 隔间等）相通（如经门或过道）
We had intercommunicating rooms. 我们的房间是通间.
🗣️ 情景例句
and how hard it is
他还说这件事很难
I wonder what he's doing.
我不知道他在做什么。
Now that a tunnel ahs been built through the mountains, the Pass is less dangerous,
如今由于山里开挖了隧道，翻越山口已不那么危险了。