| 单词 | semicircle |
| 释义 | semicircle —semicircular /sem'i serr"kyeuh leuhr/, adj. —semicircularly, adv. —semicircularness, n. /sem"i serr'keuhl/, n. 1. Also called semicircumference /sem'ee seuhr kum"feuhr euhns, -freuhns, sem'uy-/. half of a circle; the arc from one end of a diameter to the other. 2. anything having or arranged in the form of a half of a circle. [1520-30; < L semicirculus. See SEMI-, CIRCLE] |
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