| 1. | The girls have to be five times as smart .
那些姑娘们无疑要聪明五倍。 |
| 2. | The sample size would have to be quadrupled .
样本量必须增大三倍。 |
| 3. | The baby doubled its weight in a year .
婴儿的体重一年增加了一倍。 |
| 4. | He came in shyly, escorted by christine .
他由克丽丝汀倍伴着腼腆地走进来。 |
| 5. | Gas prices would double in 1979 .
汽油价格在1979年要上涨一倍。 |
| 6. | Her original investment had increased twofold .
她原先的投资额已增至两倍。 |
| 7. | The output is double that of last year .
产量比去年增加一倍。 |
| 8. | The crop acreage could be quadrupled .
耕地面积可增加三倍。 |
| 9. | It grows twice as fast as the second colony .
它增长的速率是第二个群体的两倍。 |
| 10. | The population in this area has increased fourfold .
该地区的人口已增加到四倍。 |
