| arc | |
| 级别 | 第6级 |
| 音标 | [ ɑ:k ] |
| 解释 | n.弧形（物），弧，电弧，弧光 |
| 英英释义 | the shape of part of a circle , or other curved line |
| 发音 |  |
| 例句 |
1. The sun appears to move in an arc across the sky. 太阳看起来在天空中以弧形运行。 2. The rainbow described an arc in the dark sky. 彩虹在昏暗的天空划出了一道圆弧。 |
