1590s, in surgery and medicine, "instrument for rendering a part accessible to observation," from Latin speculum "reflector, looking-glass, mirror" (also "a copy, an imitation"), from specere "to look at, view" (see scope (n.1)). As a type of telescope attachment from 1704.
实用例句
1. 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.来自互联网
2. Conclusion Cervical diseases can be diagnosed by vaginal speculum and then give exact and pristine treatment.
结论通过**镜检查可对宫颈疾病做出明确诊断,以便给予正确的、早期的治疗.来自互联网
3. An instrument consisting of a tube or speculum equipped with a light, used to examine rectum.
