| 1. | An estimated 300 million people carry this disease .
据估计，有3亿人得了这种病。 |
| 2. | It was supposed that he had had a sudden attack of faintness .
据估计，他当时突然头晕发作。 |
| 3. | It is thought that the prime minister will visit moscow next month .
据估计首相于下月访问莫斯科。 |
| 4. | There were estimated to be at least a hundred bums in the city .
据估计在那座城市里至少有一百名流浪乞丐。 |
| 5. | It is estimated that about half of the carbonate oil and gas reservoirs in north america are in dolomite .
据估计，北美的碳酸盐岩油气藏有一半是在白云岩内。 |
| 6. | It has been estimated that if the bridge were packed with cars , it would still only be carrying a third of its total capacity .
据估计，如果桥上挤满汽车，也仍然只有它总负载能力的三分之一。 |
| 7. | By 1899, over two thousand such institutes were held yearly throughout the u.s., with an estimated five hundred thousand farm families participating .
到一八九九年，在全美国有两千多个这种每年举办的学习班；据估计有五十万农户参加。 |
| 8. | It is estimated to cost 7 . 5 billion euros in 2004
据估计在2004年花费了75亿欧元。 |
| 9. | It is estimated that the project will last four years
据估计，这项工程将持续四年。 |
| 10. | The main quake was estimated at magnitude 6 . 6
据估计主震区的震级有6 . 6级。 |
