n.槍眼；炮眼

The napalm rolled over and down the front of the recessed embrasure. 那一發(fā)凝固汽油彈滾落到了嵌壁槍眼的前方。

The window was an embrasure in an enormously thick wall. 窗戶是個炮眼,墻壁異乎尋常的厚。

Tanks'embrasure wouldn't let to see the road but the white clouds in the sky. 從坦克的觀察窗商只能看到藍天白云而無法看到路面上的情況。

外展隙