arc
英 [ɑːk]
美 [ɑːrk]
n. 弧; 弧形; 电弧
v. 作弧形运动; 形成电弧
复数：arcs 现在分词：arcking 过去式：arcked 第三人称单数：arcs 过去分词：arcked
Collins.1 / BNC.6611 / COCA.5923
同义词辨析
arcn. 弧；弧线；弧形
〔辨析〕
指几何学中的弧，也指弧形或弧线。
〔例证〕
an arc of 120
º120º的弧
The rainbow formed a beautiful arc in the sky.
虹在天空中形成了一个美丽的弧。
The sun appears to move in an arc across the sky.
看起来太阳在天空中的运行轨迹呈弧形。
º120º的弧
The rainbow formed a beautiful arc in the sky.
虹在天空中形成了一个美丽的弧。
The sun appears to move in an arc across the sky.
看起来太阳在天空中的运行轨迹呈弧形。
archn. 弓状物；拱门
〔辨析〕
指弧形结构的物体。
〔例证〕
That arch has a span of 70 metres.
那个拱的跨度为70米。
She was going to visit the Triumphal Arch.
她打算去凯旋门游玩。
那个拱的跨度为70米。
She was going to visit the Triumphal Arch.
她打算去凯旋门游玩。
bown. 弧状物；弓形物
〔辨析〕
指弯曲的形状或呈弓形的物体。
〔例证〕
The bow of his lips is very attractive.
他嘴唇的弧形曲线很迷人。
The child wanted to know why the rainbow is in a bow shape.
那个小孩想知道为什么虹为弓形。
他嘴唇的弧形曲线很迷人。
The child wanted to know why the rainbow is in a bow shape.
那个小孩想知道为什么虹为弓形。
curven. 曲线；弯曲物
〔辨析〕
含义最广，指任何带有弧度的线条或曲线状物。
〔例证〕
The stairs ascended in a graceful curve.
楼梯呈优美的曲线上升。
There is a sharp curve in the road.
路上有个急转弯的地段。
楼梯呈优美的曲线上升。
There is a sharp curve in the road.
路上有个急转弯的地段。
牛津词典
noun
- 弧
part of a circle or a curved line - 弧形
a curved shape- 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。
- the arc of a rainbow
- 电弧
an electric current passing across a space between two terminals
verb
- 作弧形运动
to move in the shape of an arc - 形成电弧
to form an electric arc
柯林斯词典
- N-COUNT 弧形；弧线
Anarcis 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。
- The Aleutian chain is a long arc of islands in the North Pacific.
- 弧
In geometry, anarcis a part of the line that forms the outside of a circle. - VERB 成弧线；呈弧形
If somethingarcsin a particular direction, it makes a smoothly curving line or movement.- A rainbow arced gracefully over the town.
彩虹在小城上空画出了一道优美的弧线。
- A rainbow arced gracefully over the town.
英英释义
noun
- electrical conduction through a gas in an applied electric field
- a continuous portion of a circle
- something curved in shape
verb
双语例句
- The paper introduced a kind of time domain model for harmonic analysis of arc furnace.
文章介绍了一种用于电弧炉谐波分析的时域模型。 - We studied the natural convection in narrow double-side heating arc by mock-up tests and numerical simulation in this thesis.
本文对双面加热的圆弧形窄缝通道内重水的自然对流进行了模化试验和数值模拟。 - A rainbow arced gracefully over the town.
彩虹在小城上空画出了一道优美的弧线。 - Detective and Analytical Systems for the Dynamic Parameters of Arc Welding Process
弧焊过程动态参数的检测和分析系统 - His pass described a perfect arc through the leaden sky.
他的传球在阴沉的天空中划出了一道完美的弧线。 - Gaseous helium is used as an inert shielding gas in metal arc and laser welding.
在金属电弧和激光焊接中气态氦用作惰性屏蔽气体。 - Saint Joan of arc isn't simple person.
圣女贞德不是一个普通的人。 - The principle and structure of power supply and HF arc ignition circuit is analyzed in detail.
详细分析了电源系统和高频引弧电路的结构组成和工作原理。 - The automatic control method of open arc surfacing welding system was studied for the milling roller.
为实现磨煤机磨辊明弧堆焊设备的自动化，研究了堆焊机主要运动部分的控制方法。 - 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。