spiral

中文意思

• adj. 螺旋形的
• n. 螺旋，螺线
• v. 螺旋式上升（或下降）

英文释义

• n. a plane curve traced by a point circling about the center but at increasing distances from the center
• n. a continuously accelerating change in the economy
• n. ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
• n. flying downward in a helical path with a large radius

词形变化

现在分词

spiralling

过去式

spiralled

第三人称单数

spirals

过去分词

spiralled

例句

1. adj. 螺旋形的

   She walked up the spiral staircase to reach the top floor of the tower.

   她沿着螺旋形的楼梯走上了塔楼的顶层。

2. n. 螺旋，螺线

   The smoke rose from the chimney in a slow, graceful spiral.

   烟雾从烟囱里袅袅升起，划出一条优雅的螺线。

3. v. 螺旋式上升（或下降）

   The damaged plane began to spiral down towards the sea.

   受损的飞机开始螺旋式下降，落向大海。