| 1. | Their apartments were situated on the first floor ..
他们的住房在二楼。 |
| 2. | He got wounded in the second world war .
他在二次大战中负伤。 |
| 3. | At twenty-two , he is just beginning to find himself .
他在二十二岁时才逐渐发现自己的实际才能。 |
| 4. | The new infielder really covers the ground at second base .
新内野游击手在二垒附近真是来去如飞。 |
| 5. | Certain other factors are also involved at the secondary-migration stage .
在二次运移中也包括其他一些因素。 |
| 6. | He designed the ad-1 skyraider under a 24-hour deadline .
他曾在二十四小时的限期内设计出AD-1型“空中袭击者”。 |
| 7. | Full unification took place only at the beginning of the twentieth century .
完全的统一只是在二十世纪开头才实现。 |
| 8. | He dominated the plant taxonomic world at the turn of the twentieth century .
他在二十世纪曾垄断了整个植物分类学界。 |
| 9. | The use of integrated pest management will expand in the twenty-first century .
在二十一世纪，害虫综合治理的应用将扩大。 |
| 10. | Extraordinary profits resulted for the firms during a twenty-year period .
在二十年的时间里，这些公司都赚到了巨额的利润。 |
