| 单词 | convex-concave |
| 释义 | > as lemmasconvex-concave convex-concave adj. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > mirror > [adjective] unfoiled1640 reflex1672 quicksilvered1754 mirrored1820 convex-concave1841 West Coast1957 the world > space > shape > curvature > curved surface > [adjective] > convex > concavo-convex concavo-convex1677 convexo-concave1693 convex-concave1841 1841 T. Carlyle On Heroes iii. 169 No twisted, poor convex-concave mirror, reflecting all objects with its own convexities and concavities. < as lemmas |
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