| 1. | At each change in engine sound she grew more wakeful .
她随着发动机声的每一变化而越来越清醒了。 |
| 2. | In acoustics he studied the propagation of sound and musical consonance and dissonance .
在声学中，他研究了声的传播和音乐的和谐与不和谐。 |
| 3. | Distracted by the morning din, i hardly heard my transportation approaching .
在清晨的喧闹声的干扰下，我没有听见我的运输工具在向我这里走来。 |
| 4. | After earning my doctorate in botany in 1952, i decided to continue my research into birdsong dialects .
1952年，在得了植物学博士学位之后，我决定继续研究鸟声的“方言”。 |
| 5. | Once escaped from the reach of his mother's recalling voice, he thought he might venture to indulge his curiosity .
他觉得现在已经走出了他母亲叫唤声的范围，理该满足一下自己的好奇心了。 |
| 6. | But the debate quickly drifted into pantomime
但是争论很快就变成了无声的动作。 |
| 7. | Railway rolling stock . soundproofed water based produce
铁路车辆.隔声的水基产品 |
| 8. | Light travels faster than sound . the lights are on
光比声的速度快。灯都开了。 |
| 9. | Provides code to play the computer s beep sound
提供用于播放计算机警告声的代码。 |
| 10. | I ' m sorry . you ' re right . i should have asked
对不起。你说得对,我本该先问一声的。 |
