| 单词 | arc |
| 释义 | arc n 1 part of the circumference of a circle or some other curved line 弧（圆周或其它曲线的一部分）. =>illus at circle 见circle之插图. 2 thing with this shape 弧形物 the arc of a rainbow 虹的弧形. 3 luminous electric current passing across a gap between two terminals 电弧; 弧光. arc, v (pt, pp arced , pres p arcing) [I] form an electric arc 形成电弧; 产生弧光. |
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