1. Before long, the noise dropped completely and the boat began to drift gently across the water.
    没过多久，噪音便彻底消失，快艇开始在水面上慢悠悠地漂流。

2. We heard a great noise.
    我们听到一个很大的响声。

3. What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
    对于噪音问题，需要对大量生活在噪音中的人进行研究，

4. If there is any effect of noise upon mental health,
    如果噪音对精神健康有影响的话，

5. Whatever the source of noise, one thing is certain: silence, it seems, has become a golden memory.
    不管噪声来自何方，有一点是肯定的：看来寂静已变成一种珍贵的回忆。

6. This is a pity, because noise abatement really is a good
    这是件憾事, 因为减小噪音确实是一件好事,

7. The child was bewildered by the noise and the crowds.
    孩子让噪声和人群给弄得晕头转向.

8. The noise drummed in my ears.
    声音在我耳边轰呜。

9. The steam escaped with a loud hissing noise.
    蒸汽发出很大的嘶嘶声冒了出 来.

10. There is much noise in the street.
    街道上有很多噪音.