| 1. | The spiral nebulae are impressive objects .
旋涡星云是迷人的天体。 |
| 2. | The falling leaf spiraled to the ground .
落叶盘旋着飘到了地上。 |
| 3. | The damaged plane spiraled towards the earth .
损毁的飞机旋转着跌向地面。 |
| 4. | Prices are still spiraling , i.e. increasing rapidly .
物价仍在急剧上涨。 |
| 5. | The motorcade spiralled up the mountain .
车队沿山路盘旋而上。 |
| 6. | The prevalent is the spiral .
常见的有盘旋形的。 |
| 7. | The smoke spiraled upwards .
那股烟袅袅上升。 |
| 8. | There is a curious feature in the spectra of spiral galaxies .
在旋涡星系的光谱中有一种奇妙的特征。 |
| 9. | Libraries have however remained locked in their growth spiral .
然而，图书馆仍然处在不断增长的阶梯上。 |
| 10. | 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。 |
