peri·scop·ic /ˌpɛrəˈskɑpɪk/
(a.)潛望的;展望的
peri·scop·ic /ˌpɛrəˈskɑpɪk/ 形容詞
周視的(廣闊視野的)
Per·i·scop·ic a. Viewing all around, or on all sides.
2. of or relating to a periscope2.
Periscopic spectacles Opt., spectacles having concavo-convex or convexo-concave lenses with a considerable curvature corresponding to that of the eye, to increase the distinctness of objects viewed obliquely.
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