arc是什么意思？

arc

英[ɑ:k] 美[ɑrk]

• n. 综合症状，弧（度），天穹，电弧，弧光。；
• vi. 形成拱状物，循弧线行进；
• abbr. American Red Cross. 美国红十字会；

第三人称单数：arcs;

过去式：arced;

过去分词：arced;

现在分词：arcing;

例句

• The rainbow described an arc in the dark sky. 彩虹在昏暗的天空划出了一道圆弧。
• The rainbow forms an arc in the sky. 彩虹在天空中呈一个弧形。
• When the moon is new it looks like an arc of light in the sky. 新月看起来像天空中的一盏弧形灯。
• 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。
• Arc ignition : retracting and scraping. 引弧可采用“回抽”、“刮擦”起弧方式.
• Arc strikes outside of the welds were avoided. 焊缝外要避免电弧穿刺.
• The 3 sedimentary melanges in the Hagong Formation ( Late Carnian - Norian ) are resulted from the back - arc riftogenesis. 哈工组 ( 卡尼晚期 ——— 诺利期 ) 中的三层沉积混杂岩是弧后裂陷作用的产物.
• Carbon stripping foils were prepared by AC or DC arc discharge method. 碳剥离膜可用交流电弧法或直流电弧法来制备,也可用交直流电弧来做多层膜.
• It offer the reference for improving cutting quality of the numerical control plasma arc cuffing machine. 为提高数控等离子切割机的切割质量提供参考.
• We arc the people who make cookbooks. 我们有些人编写食谱.

词组

• minute of arc
  见 minute (义项2)
• second of arc

英语六级真题

Extreme weather and reckless development arc plotting against the rain forest in ways that scientists have never seen.
出自-2013年6月阅读原文
Such features arc easily written into the software.
出自-2013年6月听力原文
They don't realize how typical their experiences arc.
出自-2013年12月阅读原文

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  弧形；弧线
  An arc is a smoothly curving line or movement.
  例句
  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。
• N-COUNT
  弧
  In geometry, an arc is a part of the line that forms the outside of a circle.
• VERB
  成弧线；呈弧形
  If something arcs in a particular direction, it makes a smoothly curving line or movement.
  例句
  A rainbow arced gracefully over the town. 彩虹在小城上空画出了一道优美的弧线。

英汉词典释义

• n.
  弧, 弧线,弧形
  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。
  弧形物
  When the moon is new it looks like an arc of light in the sky. 新月看起来像天空中的一盏弧形灯。

英英词典释义

• Noun
  1. electrical conduction through a gas in an applied electric field
  2. a continuous portion of a circle
  3. something curved in shape
• Verb
  1. form an arch or curve;
  "her back arches""her hips curve nicely"

行业词典

• 体育： 起掷弧；弧形；弧线；
  医学： 弧，弓：曲线形或弓形的结构或投射途径；广言之，亦指一般呈弧形的放电。在神经生理学中指神经反射的通路；三神经元反射弧；
  数学： 弧；又称 :弧(directed edge)；
  电力： 灭弧管： arc-extinguishing tube；消弧工具： arc-extinguishing tools；消弧电抗器： arc-suppression reactor 又称“消弧线圈”。；