embrasure

英 [ɪmˈbreɪʒə(r)]      美 [ɛmˈbreʒɚ]
  • n. 炮眼,射击孔
embrasure
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embrasure 斜面门洞

em-, 进入,使。-bras, 砍,破开,可能同break. 即在墙上开挖的一个小洞,作眺望或碉堡机枪口之用。

embrasure (n.)
"enlargement of the interior aperture of a door or window," 1702, from French embrasure (16c.), from Old French embraser "to cut at a slant, make a groove or furrow in a door or window," from assimilated form of en- "in" (see en- (1)) + braser "to cut at a slant."
1. The window was an embrasure in an enormously thick wall.
窗户是个炮眼,墙壁异乎寻常的厚.
2. 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.
3. 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 ).