entrenched valley
常見(jiàn)例句
- The formation of entrenched valley is the mutual effect of tectonic movement and sea (lake) level.
下切穀的形成是搆造運(yùn)動(dòng)和海（或湖）平麪共同作用的結(jié)果。 - Nearly two weeks after Pakistani security forces began attacking Taliban positions in the northwest Malakand region, the army says troops are now focusing on the estimated 4,000 core fighters entrenched in the militant stronghold Swat valley. 返回 entrenched valley