spiral

/ˈspaɪrəl/📚 8174 2六级考研托福雅思
A spiral is a shape which winds around and around, with each curve above or outside the previous one. 螺旋形

noun [专属名词]螺旋形,螺旋形之物;持续加剧的上升(或下降、恶化);旋球

Larks were rising in spirals from the ridge.
云雀在从山脊上盘旋飞升。

verb [vt. 及物动词]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

Vines spiralled upward toward the roof.
藤蔓螺旋式向上朝屋顶生长。

adjective [原级]螺旋形的;(医)扭折(骨折的一种);spiral-bound的简称

Most spiral-shaped snail species are predominantly dextral.
大多数螺旋形的蜗牛主要是右旋的。

spiral

-al ⌜ 表示具有某种性质的 - indicating pertaining to or characterized by ~ ⌟
spiral 出现在下面的课文中(提供视频、音频及笔记等可系统性学习)
Lesson 32 Galileo reborn spiral 形容词: 螺旋状的
来自spire(n. 螺旋)
单词造句:
网友用“Spiral”造句精选
...a spiral staircase. …一段旋梯。
The aircraft began spiralling out of control. 那架飞机开始做螺旋式飞行,失去了控制。
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。
...an inflationary spiral. …一次通胀性的激增。
House prices will continue to spiral downwards. 房价将继续加速下跌。
...a spiral of debt. …债务的加剧减少。
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。