speculum

汉语翻译

n. 金属镜, 反射镜, 扩张器
【医】 窥器, 张开器; 透明隔; 翼斑, 翼镜(鸟)

词型变化

名词复数:specula 

英语解释

名词 speculum:

a mirror (especially one made of polished metal) for use in an optical instrumenta medical instrument for dilating a bodily passage or cavity in order to examine the interior