| 1. | I make the distance about 70 miles .
我估计那段距离约有70英里。 |
| 2. | They had covered 70 li and reached the vicinity of the fighting .
他们赶了70里，来到了火线附近。 |
| 3. | Between 60 and 70 per cent of the soldiers were literate .
百分之六十到百分之七十的士兵是有文化的。 |
| 4. | About 70 elements have been detected in the sun's atmosphere .
在太阳的大气层中，大约有70种元素已被确认。 |
| 5. | When teacher ma was 70 years old , he was as spry as a kitten .
马老师七十岁的时候，还轻快敏捷地像只小猫一般。 |
| 6. | In north america more than 70 different railway times were in use up to 1882 .
到1882年为止，北美使用过70多种铁路时间。 |
| 7. | Weapons are indisputably a growth industry of the 70s and 80s .
毫无疑问，武器生产是七十年代和八十年代的一个兴旺的行业。 |
| 8. | At least 60 to 70 calories per square centimeter of thermal energy are required to produce surface melting or darkening .
要使这些物质表面熔化或变黑，至少需要每平方厘米有60到70卡的热能。 |
| 9. | Production of cowpeas grew by more than 250 percent during the 1970s, while the area planted expanded by almost 70 percent .
在七十年代中，豇豆的生产增长了25以上，而种植面积几乎扩大了70。 |
| 10. | Going through a college gate one finds one is standing in an almost square space of about 70 yards known as a "court" .
你一进入学院大门就会发现你站在一块大约七十码见方的，人们称之为“庭院”的地方。 |
