名词观察孔
1. 窥视孔：spyglass 小望远镜 | spyhole 窥视孔 | squab 刚孵出的
2. 探视孔：spyglass 小望远镜 | spyhole 探视孔 | spysatellite 间谍卫星
3. 观测孔：spurt type cooler 喷射式冷却器 | spyhole 观测孔 | square bent 直角弯头
4. 探视孔 窥孔：sputumserosum浆液性痰 | spyhole探视孔 窥孔 | spyon窥视
1. On the other hand some of them seemed to be on good terms with the guards, called them by nicknames, and tried to wheedle cigarettes through the spyhole in the door
另外一方面，他们有几个人同警卫似乎关系很友善，叫他们绰号，在门上监视洞里把香烟塞过去。
2. The cells measured eight feet by five, and, had no lighting apparatus except a tiny barred window high up in the wall, and a spyhole in the door.
这里的格子间长8英尺，宽5英尺，没有任何照亮的装置，只有墙壁高处一个带木栅的小窗口和门上的窥视孔能透进来一些光线。
3. Looks through the spyhole
透过门镜看去
4. Peephole; spyhole
他们瞒着父母在偷偷拍拖。