[N-COUNT 可数名词]弧形;弧线 An arc is a smoothly curving line or movement.
The Aleutian chain is a long arc of islands in the North Pacific.
阿留申群岛是北太平洋上一长串呈弧形排列的小岛。
2
[N-COUNT 可数名词]弧 In geometry, an arc is a part of the line that forms the outside of a circle.
[TECHNICAL 术语]
3
[VERB 动词]成弧线;呈弧形 If something arcs in a particular direction, it makes a smoothly curving line or movement.
[V prep/adv]
[LITERARY 文]
A rainbow arced gracefully over the town.
彩虹在小城上空画出了一道优美的弧线。
Oxford
arc/ɑːk; NAmEɑːrk/
noun
,
verb
arcarcsarcedarcingnoun _circles_comp.jpg _circles2.jpg 1( geometry 几何) part of a circle or a curved line 弧2a 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。3( technical 术语) an electric current passing across a space between two terminals电弧☞see also
arc lamp
verb(arc·ing/ˈɑːkɪŋ; NAmEˈɑːrkɪŋ/,arced,arced/ɑːkt; NAmEɑːrkt/)( technical 术语) 1[intransitive ]to move in the shape of an arc作弧形运动2[intransitive ]to form an electric arc形成电弧arc/ɑːk; NAmEɑːrk/arc·ing/ˈɑːkɪŋ; NAmEˈɑːrkɪŋ/arced/ɑːkt; NAmEɑːrkt/
LDC
arcarc /ɑːk $ ɑːrk/ ●○○ noun [countable]
Word Origin
Examples
word sets
Collocations
Phrases
1a curved shape or line: the arc of a rainbow2part of a curved line or a circle: The Sun moves across the sky in an arc.3a flash of light formed by the flow of electricity between two points—arc verb [intransitive]
WDF
arc
[ɑ:k]arcked, arcking, arcs
CET6TEM4TOEFLIELTS
v25506
259
2
68
98
4
87
n6000
4682
185
1347
1419
891
840
NOUN5437
162749
Spoken:
62313267
arcs[296]
弧(96%),形成电弧(2%),弧形物(1%),按弧形轨迹行进(1%)
n.弧(度);弧光(全称electric arc);弧形物;天穹
adj.圆弧的;反三角函数的
vt.形成电弧;走弧线
n.(Arc)人名;(法)阿尔克
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