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.
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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.
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3. An instrument consisting of a tube or speculum equipped with a light, used to examine rectum.
'直'.''肠镜由带灯的管筒或''.'窥'.''''.'镜'. ''组成的仪器, 用于检查**.
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4. A Steiner - Anvard weighted speculum is inserted into the posterior cul - de - sac after this space is opened.
于膀胱子宫陷凹置入Steiner-Anvard加重窥器.
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5. Objective Purpose To study the value of abdominal speculum in the gynecology surgical operation.