breastwork

The soldiers quickly built a breastwork from sandbags to shield themselves from enemy fire.

士兵们迅速用沙袋筑起一道矮防护墙，以抵御敌人的火力。

用法提示：名词，指临时搭建的矮防护墙。

During the siege, the defenders reinforced the breastwork with timber and stones.

围城期间，守军用木材和石头加固了矮防护墙。

用法提示：名词，指防御工事中的矮墙。

Archaeologists discovered the remains of an ancient breastwork along the hilltop.

考古学家在山顶发现了古代矮防护墙的遗迹。

用法提示：名词，指古代防御工事。