| 单词 | arc |
| 释义 | arc nounadjective | verb + arc | preposition adjective➤broad, great, high, huge, long, sweeping, wide宽阔的圆弧；巨大的圆弧；大大的弧形；长长的圆弧；大幅度弯曲的圆弧◆they fired shells in a high arc over our heads.他们发射的炮弹在我们头顶划出一个超大的弧。➤perfect, smooth完美的弧形；平滑的弧线➤graceful优美的弧线verb + arc➤describe (technical术语) , form, make画出圆弧；形成弧形◆the jet trail formed a perfect arc in the sky.喷气式飞机的飞行轨迹在空中形成一个完美的弧形。➤follow, trace沿着弧线；跟着圆弧preposition➤in an arc大弧度地◆the islands lie in a wide arc just off the mainland.这些岛屿呈一个大大的弧形分布在离大陆不远的地方。 arc [countable] part of a circle or curved line; a curved shape弧；弧形◆the arc of the rainbow reached out across the valley.弯弯的彩虹架在山谷上方。◆the beach swept around in an arc.海滩呈弧形伸展开来。◆ (geometry几何) set the point of the compasses at one end of the line and draw an arc.将圆规的尖置于这条线的一端画一个弧。 arc [intransitive] (usually used with an adverb or preposition通常与副词或介词连用) (technical术语) to move in a long curved shape, especially through the air（尤指在空中）作弧形运动◆for a few seconds a perfect rainbow arced across the city.一道完美的彩虹呈弧状架在城市之上数秒钟。arc/ɑ:k ||; ɑrk/noun [c] a curved line, part of a circle 弧 ☞picture at circle 见circle插图 arc /ɑrk; ɑːk/n [c]part of a circle or any curved line 弧; 弧线 |
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