abatis

由砍倒的树木或弯曲的树木形成的防御手段,树枝的末端被削尖并指向外侧或敌人,最近用带刺铁丝加固。

A means of defense formed by felled trees, or sometimes by bent trees, the ends of whose branches are sharpened and directed outwards, or against the enemy, and more recently fortified with barbed wire.

由倒下或活树组成的防御屏障,树枝(削尖或缠有铁丝网)指向敌人

a line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) pointed toward the enemy

在煤矿中,交叉堆放的木柴墙以保持地下道路畅通,从而确保通风。

In coal-mining, walls of cord-wood piled up crosswise to keep the underground roads open so as to secure ventilation.