单词：spiral
a. 螺旋形的, 盘旋的
vi. 螺旋形下降, 螺旋形上升, 螺旋形行进
vt. 使螺旋形行进
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
考试类型：[六级/考研/托福/IELTS]
spiral的用法和样例：
例句
- Society invariably moves forward in a spiral.社会的运动总是采取螺旋形前进的。
- This caused a downward spiral into depression.这使经济下滑恶化为经济萧条。
- The smoke spiraled upwards.那股烟袅袅上升。
- Prices are still spiralling.价格仍然在急剧上涨。
- Their profits began to spiral down disastrously.他们的利润开始螺旋形地急剧下降。
- A snails shell is spiral in form.蜗牛的外壳形状是螺旋形的。
- Her hair was styled into a cascade of spiral curls.她的头发被做成了瀑布般的螺旋形鬈发。
- The steam travels in spiral paths.蒸汽是盘旋上升的。
- The light house has spiral stairs leading to the top.塔有个盘旋上升通向塔顶的梯子。
常见句型
- A snail's shell is spiral in form.蜗牛壳呈螺旋形。
- A coiled spring forms a spiral.一条卷起来的弹簧形成一个螺旋形。
- They ticked off a few specific causes for the price spiral in their country.他们列举了他们国内物价螺旋形上升的几个具体原因。
- The falling leaf spiralled to the ground.落叶盘旋着飘到了地上。
- Prices are still spiralling.物价仍在急剧上涨。
词汇搭配
- spiral galaxy(=spiral n...
- spiral staircase螺旋梯
- inflationary spiral恶性通货膨胀...
- bismuth spiral铋螺线,铋磁探头...
- spiral bit螺旋钻头,麻花钻头...
- spiral conveyer螺旋运输机,螺旋输送...
- spiral stairs螺旋梯,盘梯...
- death spiral固定轴环绕
- spiral reinforcement螺旋钢筋
- double spiral双螺旋线
- spiral agitator螺旋搅拌器
- spiral auger螺旋钻
- spiral filament螺旋形灯丝
- spiral electrode螺旋形电极
- spiral gear螺旋齿轮,螺旋形齿轮...
- spiral chute螺旋斜槽
- equiangular spiral等角螺旋,等角螺线...
- spiral drill螺旋钻,麻花钻...
- spiral winding螺线绕法,螺旋绕组,...
- spiral duct螺旋导管,螺纹导管...
经典引文
The peel falls from her..hands in a long pale spiral.
出自：M. AtwoodThey climbed in long spirals, up into the mountains.
出自：N. SherrySpiral stone steps worn by a century..of monkish feet.
出自：A. BurgessA narrow stairway spiralled up to the tower.
出自：R. MacaulayAll..on board a..Boeing 737 died when it spiralled into the sea.
出自：TimesThat shadow falling, like a leaf spiralling down.
出自：New Quarterly (Canada)Hope spiralled up from the pit of her stomach.
出自：fig.
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