1. in the direction opposite to the rotation of the hands of a clock

1.螺旋(形)
Aspiral is a shape which winds round and round, with each curve above or outside the previous one.

2.(使)盘旋着生长(或移动)
If somethingspirals oris spiralled somewhere, it grows or moves in a spiral curve.

e.g. Vines spiraled upward toward the roof...
藤蔓盘旋着朝屋顶方向生长。
e.g. ...a bullet spiralling out of a gun barrel...
从枪管里飞旋而出的子弹

3.(数量、水平)急遽增长
If an amount or levelspirals, it rises quickly and at an increasing rate.

e.g. Production costs began tospiral.
生产成本开始急遽上升。
e.g. ...a spiralling trend of violence...
暴力急遽上升的态势

4.(数量、水平)急遽变化
If an amount or levelspirals downwards, it falls quickly and at an increasing rate.

e.g. House prices will continue tospiral downwards.
房价将继续暴跌。

1. spiral的翻译

1. 螺旋形的：每一个有关数码媒体及电脑平面设计的单元可独立应用;但其实每项单元大多与之前单元有关,课程应由浅入深,螺旋形的(Spiral)层层深化,学生较易掌握,也节省设计构思时间.