spiral
n. 螺旋(线); 旋涡; 螺旋形物; (足球运动的)旋球
v. 使成螺旋形; 螺旋式的上升(或下降盘旋上升(或下降)
adj. 螺旋形的; 盘旋的; 盘旋上升的
A spiral is a shape which winds round and round, with each curve above or outside the previous one.
If something spirals or is spiralled somewhere, it grows or moves in a spiral curve.
Vines spiraled upward toward the roof...
藤蔓盘旋着朝屋顶方向生长。
...a bullet spiralling out of a gun barrel...
从枪管里飞旋而出的子弹
If an amount or level spirals, it rises quickly and at an increasing rate.
Production costs began to spiral.
生产成本开始急遽上升。
...a spiralling trend of violence...
暴力急遽上升的态势
If an amount or level spirals downwards, it falls quickly and at an increasing rate.
House prices will continue to spiral downwards.
房价将继续暴跌。
1. a plane curve traced by a point circling about the center but at ever-greater distances from it
2. a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
3. ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
4. a structure consisting of something wound in a continuous series of loops;
5. flying downward in a helical path with a large radius
1. to wind or move in a spiral course;
2. form a spiral;
3. move in a spiral or zigzag course
1. in the shape of a coil
Objective : To probe into the value of spiral CT multiplane reformation ( MPR ) in clinical diagnosis.
目的: 探讨螺旋CT多平面重建技术在临床诊断中的价值.
Previous investigations have identified a smaller central barred structure and four spiral arms.
先前的调查确认银河系具有一个较小的中央棒状结构及四条旋臂.
All types of complete spiral steel tube equipment are designed and manufactured by the company.
我公司设计、生产各种类型的螺旋钢管成套设备.
The reinforced concrete circular columns with circular spiral reinforcement show excellent behavior when subjected to loads.
密配圆形螺旋箍筋的钢筋混凝土圆柱在外荷载作用下表示了良好的力学性能.
Mold with spiral ejection pin was designed for the mass production of threaded nylon cock.
为批量生产带有螺纹的尼龙旋塞,设计了一种带有螺旋顶杆的旋塞注塑模.