英 [ˈspaɪrəl] 美 [ˈspaɪrəl]
n. 螺旋形，螺旋形之物；持续加剧的上升（或下降、恶化）；旋球
v. 螺旋式上升（或下降），盘旋上升（或下降）；持续下降，持续恶化；急剧上升
adj. 螺旋形的；（医）扭折（骨折的一种）；spiral-bound的简称
复数spirals
第三人称单数spirals
现在分词spiralling或spiraling
过去式spiralled或spiraled
过去分词spiralled或spiraled
spiral /ˈspaɪərəl/ CET6 TEM4 [ spiralling spiralled spirals ]
可数名词 A spiral is a shape which winds around and around, with each curve above or outside the previous one. 螺旋形
The maze is actually two interlocking spirals.
这个迷宫实际上是两个连锁的螺旋体。
形容词 Spiral is also an adjective. 螺旋形的
...a spiral staircase.
…一段旋梯。
及物动词/不及物动词 If something spirals or is spiralled somewhere, it grows or moves in a spiral curve. 使…螺旋式生长或移动; 螺旋式生长或移动
Vines spiralled upward toward the roof.
藤蔓螺旋式向上朝屋顶生长。
The aircraft began spiralling out of control.
那架飞机开始做螺旋式飞行，失去了控制。
可数名词 Spiral is also a noun. 螺旋式运动
Larks were rising in spirals from the ridge.
云雀在从山脊上盘旋飞升。
不及物动词 If an amount or level spirals, it rises quickly and at an increasing rate. 加速上升
Production costs began to spiral.
生产成本开始加速上涨。
...spiralling health care costs.
…加速上涨的各种保健费用。
单数型名词 Spiral is also a noun. 加速上升
...an inflationary spiral.
…一次通胀性的激增。
不及物动词 If an amount or level spirals downward, it falls quickly and at an increasing rate. 加速下降
House prices will continue to spiral downwards.
房价将继续加速下跌。
单数型名词 Spiral is also a noun. 加速下降
...a spiral of debt.
…债务的加剧减少。
a plane curve traced by a point circling about the center but at increasing distances from the center
a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
同义词： helix
ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
同义词： volute
flying downward in a helical path with a large radius
form a spiral
The path spirals up the mountain
move in a spiral or zigzag course
同义词： corkscrew
螺旋-引用次数：380
Experimental study on the error correction of spiral bevel gear.
螺旋锥齿轮误差修正试验研究。
螺旋分选机
蜗壳-引用次数：58
(成本、工资、价格等)不断的急剧上升(inflationary spiral)或下降 (deflationary spiral)
盘旋-引用次数：1
旋球
旋涡星系-引用次数：4
参考来源银河系内区的棒结构
涡旋星系-引用次数：1
参考来源暗物质天体存在的可能性及其观测
螺线-引用次数：1
螺旋步
螺旋转
螺旋线
螺簧
螺旋形的
旋向的
螺旋的
螺旋的;旋生的
？7、螺线(spiral): 8、抛物线(parabola):参数：焦点、方向、终点。 9、多边形(polyon): ？
螺旋(Spiral)：但丁的武器，威力强大的，自动瞄准目标，而且可以通过反弹来同时攻击多个敌人，但是发射间隔比较长。
... Alemana阿里曼娜 Spiral螺旋步 Aida艾伊达 ...
Spiral(螺旋线)：点选后闪现螺旋线。色彩选项可设置螺旋线的色彩。
She was trapped in a downward spiral of personal unhappiness.
她陷入了个人不幸的旋涡难以自拔。
These spiral vessels are part of a banana plant stem.
这些螺旋状的脉管是香蕉植物茎的一部分。
Most spiral-shaped snail species are predominantly dextral.
大多数螺旋形的蜗牛主要是右旋的。
Mr. Reid noted that: "Our galaxy probably has 4, not 2, spiral arms of gas and dust that are forming stars."
VOA : special.2009.01.20
Vertically means that every class connected to the next class is connected to every class throughout the semester around a spiral.
纵向意味着每一节课都和下一节课有关系,和整个学期内的每一节课都有关系，呈一个螺旋状。
幸福课课程节选 : 哈佛公开课
It's an opportunity to deal with those perhaps in a more constructive way, than letting the feeling spiral.
也许可以借这个机会用更有建设性,的方法应对，而不是使负面情绪恶化。
人性课程节选 : 普林斯顿公开课
Recent observations had suggested that 2 of the 4 spiral arms hold most of the older stars in the Milky Way galaxy.
VOA : special.2009.01.20
The new information also adds to astronomers' understanding of our galaxy's spiral arms.
VOA : special.2009.01.20
The incentives will help prevent the downward spiral that can occur following mass layoff events.
He doesn't see a replacement source of higher profits on the horizon to break the spiral.
The sense in Pakistan that the country has entered a downward spiral is palpable.