| 词汇 | arc |
| 释义 | arcWord family nounarcingarcminutearcsecondarc Shapes, patterns, Electrical, Maths arc /ɑːk $ ɑːrk/ ●○○ noun [countableC] → ark1 CFBENDa curved shape or line 弧（状） the arc of a rainbow 彩虹的弧状 2 BENDpart of a curved line or a circle 弧线；弧形 The Sun moves across the sky in an arc. 太阳在天空中以弧线方式运行。 3. TEEa flash of light formed by the flow of electricity between two points 弧光，电弧 —arc verb [intransitiveI] Examples from the Corpus arc• The islands lie in an arc in the eastern Caribbean.• They may also be decorated with dots, arcs, circles, triangles, stamped, notched or bear incised lines.• Out past the northern arc of the perimeter highway, comfortable subdivisions have been carved under a leafy canopy.• One often meets graphs in which the arcs have names too. (1300-1400) Old French Latin arcus “bow, arch, arc” |
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