1. Every solid object will reflect a sound, varying according to the size and nature of the object.
    任何固体者反射声音，反射的声音因物体的大小和性质的不同而不同。

2. Even the boom that happens when the jet breaks the sound barrier went unnoticed.
    也察觉不到飞机冲破声障时发出的隆隆声。

3. For their house, which had sound foundations, would have stood stoutly even if it had been almost submerged.
    因为他们的房子地基牢固，即使洪水几乎灭顶也不会倒塌。

4. Well, the problem with television commercials are very expensive.
    电视的问题是成本，电视广告很贵。

5. When it really opens, probably in October, the 31-mile Channel Tunnel (the Chunnel, for short) will be 15 months behind schedule and $7 billion over a budget set in 1987.
    当隧道正式开放时(可能是在10月)，这条长31英里的英吉利海峡隧道（以下简称隧道）的开通将比预期推迟15个月，耗资将比1987年的预算多出70亿美元。

6. Television advertising boosted their sales.
    电视广告促进了他们的销售。

7. The television audience aggregated 30 millions.
    电视观众合计达3000万人.

8. There is a black and white television set in my family.
    我家有一台黑白电视机。

9. These words sound too literary to give them colloquial currency.
    这些词文绉绉的，不能作为口语使用。

10. The television receiver is an electronic device.
    电视接收器是一种电子装置。

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