entrenched valley

常见例句

雙語例句

• 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動和海（或湖）平麪共同作用的結果。

原聲例句

• 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.
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