| 1. | Her original investment had increased twofold . 她原先的投资额已增至两倍。 |
| 2. | It grows twice as fast as the second colony . 它增长的速率是第二个群体的两倍。 |
| 3. | The statue is twice life-size . 该雕像大小为实体的两倍。 |
| 4. | It involves more than twice the necessary exertion . 这使得他们所用的力量是必需的两倍。 |
| 5. | Ten is the double of five . 十是五的两倍。 |
| 6. | If sufficient trap is added, it may double the rate . 如果加入足够的捕捉剂,速度便可增加两倍。 |
| 7. | In asia total public expenditures tripled during the 1960s . 60年代,亚洲国家用于教育的开支增加了两倍。 |
| 8. | They want to treble harper & grant's business over the next few years . 他们想今后几年内使哈珀-格兰特公司的营业额骤增两倍。 |
| 9. | The sum of all the degree is 24, an even number, which is twice the number of edges . 所有次数的和是24,是个偶数,它是边数的两倍。 |
| 10. | This was compounded by the doubling and redoubling in the size of armies and navies . 陆军和海军两倍、三倍地扩充规模,更是火上加油。 |