arbelos

名词 n.
中文释义

英文释义

名词 n.
  1. A plane region bounded by a semicircle of diameter 1, connected to semicircles of diameters r and (1 − r), all oriented the same way and sharing a common baseline.

词形变化

arbeloses plural

词源

From Ancient Greek ἄρβηλος (árbēlos) or ἄρβυλος (árbulos), literally "shoemaker's knife".
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