Spiral
[ 'spaɪrəl ]
第4级
其它 Other
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;
📝 例句
The spiral nebulae are impressive objects.
旋涡星云是迷人的天体。
The rotating cylinder with spiral grooves acts as a speed selector.
螺旋切口的旋转圆筒作为速率筛选器。
The light house has spiral stairs leading to the top.
塔有个盘旋上升通向塔顶的梯子。
These rolls are corrugated cylinders, usually of the spiral type.
粉碎辊是波纹式滚筒，还常是螺旋割纹式。
Military budgets continued to spiral.
军事预算继续急遽增加。
🌱 联想助记
【记】※ 谐音“四伯若”:四伯若喜欢螺旋形的陀螺就买一个
※ spi-spy间谍,r-拼音“让”,al-all所有、都:间谍让所有的飞机都盘旋起来
※ spi-拼音“蛇皮”,r-拼音“人”,al-all所有、都:披在人身上的蛇皮都是螺旋形的
✅ 同义词
🔴 反义词
🔤 词根
📖 牛津释义
spiral
adj
advancing or ascending in a continuous curve that winds round a central point 螺旋形的; 盘旋的
a spiral staircase 螺旋式楼梯
A snail's shell is spiral in form. 蜗牛壳是螺旋形的. spiral, n
1
(a) spiral line 螺线.
(b) object that has a spiral shape 螺旋状的物体.
2 continuous increase or decrease in two or more quantities alternately because each depends on the other(s) 互为前提的至少两个量之间的交替上升或下降
an inflationary spiral 螺旋式上升的通胀
the spiral of rising wages and prices 工资和物价的交替上升.
3 (idm 习语) a vicious spiral => vicious. spiral, v (-ll-; US also -l-)
1 [Ipr, Ip] move in a spiral course 螺旋形移动; 盘旋移动
The falling leaf spiralled to the ground. 落叶盘旋著飘到了地上.
The smoke spiralled upwards. 那股烟袅袅上升.
2 [I, Ip] increase or decrease continuously 连续增长或减少
Prices are still spiralling, ie increasing rapidly. 物价仍在急剧上涨.
🎯 考研助记
spir(气)+al(形缀):气的， 螺旋式上升{龙卷风的样子} 网友：yqy 补充：源自spire
🔁 扩展释义
*['spairәl]n. 螺旋形之物, 螺线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【医】 螺旋状的; 螺旋【经】 连锁反应
🏥 医学释义
①螺旋的 ②螺旋管 ③螺旋钻
🌿 同词根单词
📖 同为「博士」词汇
查看全部博士词汇 ›🗣️ 情景例句
After the War of Independence ended, New York became the capital of the USA for a short time (1789-90) before Washington, D.C.
独立战争结束以后，在华盛顿成为首都之前，纽约市曾经一度是美国的首都，不过时间很短（1789-90）。
From time to time, I notice that he puts a piece of meat down his trousers just before he leaves the factory.
我经常看到，他在快要离厂前把一块肉藏在裤子里。
Before he returned to India, he decided to live as a poor man and not to possess wealth.
在回印度之前，他已决心过穷人一样的生活，不占有财富。