| 单词 | arc |
| 释义 | nounverbarcBrE /ɑːk/ NAmE /ɑːrk/ noun (geometry几何) part of a circle or a curved line 弧a curved shape 弧形◆ 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。(specialist ) an electric current passing across a space between two terminals 电弧 ➡ see also arc lamparcBrE /ɑːk/ NAmE /ɑːrk/ verb present simple - I / you / we / they arc BrE /ɑːk/ NAmE /ɑːrk/ present simple - he / she / it arcs BrE /ɑːks/ NAmE /ɑːrks/ past simple arced BrE /ɑːkt/ NAmE /ɑːrkt/ past participle arced BrE /ɑːkt/ NAmE /ɑːrkt/ -ing form arcing BrE /ˈɑːkɪŋ/ NAmE /ˈɑːrkɪŋ/ (specialist ) [I ]to move in the shape of an arc作弧形运动[I ]to form an electric arc形成电弧 |
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