specula
n. 金属镜(镜齐；窥镜)
例句
- In fact, it is a combination of anastomat and rectal speculum. 它实际上是直肠镜与吻合器的一种结合物。
- Then, insert the speculum gently into the ear canal. 然后，慢慢的把检查镜插入耳道.
- Its specula reflection weakened while scattering reflection reinforced. 此时其镜面反射能力减弱，漫反射能力增强。
- Both sexes have grey wings with black primaries and a white speculum. 所有的澳洲森林鸭都是灰色翅膀，主翼羽为黑色，还有白色的斑点。
- You will be aware of a support (speculum), which helps to hold your eye open. 你会感受到一个撑子（扩张器），它可以保持你的眼睛睁开。
- An instrument consisting of a tube or speculum equipped with a light,used to examine the rectum. 直肠镜由带灯的管筒或窥镜组成的仪器，用于检查肛门