军队决定在阵地周围挖战壕以巩固防御。

The army decided to entrench their position by digging trenches around it.

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The army decided to entrench their position by digging trenches around it.

entrench 由前缀 en-(表示"使进入某种状态")和 trench("壕沟")组成,字面意思是"使进入壕沟状态"。这个词引申为"巩固防御"或"使牢固确立",在军事上特指通过挖掘战壕来加强阵地防御。

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