| 11. | Vast strides have been made in this comparatively short interval . |
| 在这段相对说来短短的时间里取得了巨大的进步。
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| 12. | A sound made by tapping on the hull of a ship will be reflected from the sea bottom, and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated. |
| 敲打船体所发了的声音会从海底传回来，测出回声间隔的时间，便可算出该处海洋的深度。
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| 13. | In the postwar interval there has been a tendency toward rising amounts of overtime working. |
| 在战后年月里，额外加班工作量有增长的趋势。
|
| 14. | Refreshments were provided during the interval . |
| 休息时间有点心供应。
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| 15. | The proper interval should be maintained between vehicles. |
| (行驶的)车辆之间应保持适当的间距。
|
| 16. | An interval of a year elapsed [passed] before we were able to return. |
| 隔了一年我们才得以返回。
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| 17. | The interval between two trees measures 40 feet. |
| 这两棵树之间相隔40英尺。
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| 18. | There was a long interval before he replied. |
| 隔了好久他才回答。
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| 19. | the interval between a flash of lightning and the sound of thunder |
| 闪电和雷声之间的间隙
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| 20. | go out, and return after an interval of half an hour |
| 出去,隔半小时再回来
|