entrenched valley
常見例句
- The formation of entrenched valley is the mutual effect of tectonic movement and sea (lake) level.
下切谷的形成是構(gòu)造運動和海（或湖）平面共同作用的結(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