debouch
/dɪˈbautʃ; dɪ`baʊtʃ/ v[I, Ipr]
~ (into sth)
(a) (military 军) (of troops) come out into open ground （指部队）进入开阔地
The army debouched from the mountains into a wide plain. 军队从山里开出, 进入宽阔平原.
(b) (of a river, road, etc) merge into a larger body or area （指河流、 道路等）进入一较大区域
The stream debouches into the estuary. 这条河流入河口湾.