(geometry几何) partofacircleoracurvedline弧acurvedshape弧形◆thearcofarainbow彩虹的弧形◆Thebeachsweptaroundinanarc. 海滩呈弧形伸展开来。(specialist) anelectriccurrentpassingacrossaspacebetweentwoterminals电弧➡ see alsoarc lamp
arcBrE/ɑːk/NAmE/ɑːrk/verbpresent simple - I / you / we / theyarcBrE/ɑːk/NAmE/ɑːrk/present simple - he / she / itarcsBrE/ɑːks/NAmE/ɑːrks/past simplearcedBrE/ɑːkt/NAmE/ɑːrkt/past participlearcedBrE/ɑːkt/NAmE/ɑːrkt/ -ing formarcingBrE/ˈɑːkɪŋ/NAmE/ˈɑːrkɪŋ/(specialist) [I]tomoveintheshapeofanarc作弧形运动[I]toformanelectricarc形成电弧