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- An opening in a fortified wall;an embrasure. 射击孔，炮眼城墙上的开孔;炮眼
- An opening in a fortified wall; an embrasure. 射击孔，炮眼城墙上的开孔；炮眼
- An opening in a wall or fence for entrance or exit. 围墙门,篱笆门:墙壁或篱笆上的口子,作为出口或入口。
- An opening in a garment for an arm. 袖孔衣服上为胳膊留的孔
- An opening in the surface of a structure, as in a membrane. 薄膜开口一种在构造表面上的开口，如在薄膜上
- There was an opening in the wall. 墙上有个洞。
- There is an opening in the hedge. 这篱笆上有个洞。
- An opening in a thick wall for a door or window,especially one with sides angled so that the opening is larger on the inside of the wall than on the outside. 斜面洞在门或窗的厚壁上开的一个洞，尤指有斜面角的，这样里面开的比外面开的大
- An opening in a thick wall for a door or window, especially one with sides angled so that the opening is larger on the inside of the wall than on the outside. 斜面洞在门或窗的厚壁上开的一个洞，尤指有斜面角的，这样里面开的比外面开的大
- An opening in a data medium or device such as a card or magnetic core. 诸如卡片、磁芯等数据媒体或设备上的开孔。
- Coping of wall of inside of mouth of an opening in a wall is best as can perpendicular as building floor, the daylighting that can add inclined window so is measured. 窗洞口内侧壁顶部最好能与楼地面垂直，这样就可增加斜窗的采光量。
- An opening in a defensive formation,especially the area of a baseball infield between the third base player and the shortstop. 缺口，漏洞尤指棒球场上第三垒球手和游击手之间防卫阵形中的缺口
- We squeezed through an opening in the fence. 我们从篱笆上的豁口挤了过去。
- An opening in the pipe of an organ. 口琴乐器管上的开口
- The dispute broke into the open in a peculiar way. 这一争论以一种奇特的方式公开了出来。
- Open in a new window the ornaments'texture. 新建层,打开一幅装饰的纹理。
- An opening made to fit a thumb, as in a bowling ball. 拇指孔(保龄球)上供拇指插入的孔
- The cattle got out of the field through an opening in the fence. 牛从围栏缺口跑出了牧场。
- An opening in a defensive formation, especially the area of a baseball infield between the third base player and the shortstop. 缺口，漏洞尤指棒球场上第三垒球手和游击手之间防卫阵形中的缺口
- The wound re opened in a gush of blood. 伤口又裂开了，血流如注。
