spiral

1. N-COUNT A spiral is a shape which winds around and around, with each curve above or outside the previous one. 螺旋形

The maze is actually two interlocking spirals. 這個(gè)迷宮實(shí)際上是兩個(gè)連鎖的螺旋體。

2. ADJ Spiral is also an adjective. 螺旋形的[ADJ n]

...a spiral staircase. …一段旋梯。

3. V-T/V-I If something spirals or is spiralled somewhere, it grows or moves in a spiral curve. 使…螺旋式生長(zhǎng)或移動(dòng); 螺旋式生長(zhǎng)或移動(dòng)

Vines spiralled upward toward the roof. 藤蔓螺旋式向上朝屋頂生長(zhǎng)。

The aircraft began spiralling out of control. 那架飛機(jī)開(kāi)始做螺旋式飛行，失去了控制。

4. N-COUNT Spiral is also a noun. 螺旋式運(yùn)動(dòng)

Larks were rising in spirals from the ridge. 云雀在從山脊上盤(pán)旋飛升。

5. V-I If an amount or level spirals, it rises quickly and at an increasing rate. 加速上升

Production costs began to spiral. 生產(chǎn)成本開(kāi)始加速上漲。

...spiralling health care costs. …加速上漲的各種保健費(fèi)用。

6. N-SING Spiral is also a noun. 加速上升

...an inflationary spiral. …一次通脹性的激增。

7. V-I If an amount or level spirals downward, it falls quickly and at an increasing rate. 加速下降

House prices will continue to spiral downwards. 房?jī)r(jià)將繼續(xù)加速下跌。

8. N-SING Spiral is also a noun. 加速下降

...a spiral of debt. …債務(wù)的加劇減少。