| 释义 |
复数：arcs 现在分词：arcing 过去式：arced n. curve,arch,semicircle,sweep,bow 1. | 弧part of a circle or a curved line |
| the arc of a rainbow 彩虹的弧形 | | The beach swept around in an arc. 海滩呈弧形伸展开来。 |
3. | 电弧an electric current passing across a space between two terminals |
1. | [i] 作弧形运动to move in the shape of an arc |
2. | [i] 形成电弧to form an electric arc |
n. | | v. | | abbr. | 1. (=American Radio Corporation)美国无线电公司 2. (=Anti-reflective Coating)防反射涂层 |
n. | 2. [Mathematics]a part of the line that forms the outside of a circle 3. [Physics]a flash of light that happens when electricity flows between two separated points | v. | 1. to move somewhere in the shape of an arc 2. [Sci-Tech]if electricity arcs, it makes a flash of light as it flows between two separate points | abbr. | 1. (=American Radio Corporation) 2. (=Anti-reflective Coating) |
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