embrasure

The window was an embrasure in an enormously thick wall.

窗户是个炮眼,墙壁异乎寻常的厚.

辞典例句

The napalm rolled over and down the front of the recessed embrasure.

那一发凝固汽油弹滚落到了嵌壁枪眼的前方.

期刊摘选

Casting clasp between teeth ( CCBT ) is set up between buccal arid lingual embrasure of abutment teeth.

方法:在两基牙间的颊、龈外展隙内设置牙间卡 ( 发夹卡 ).

期刊摘选