| 1. | He applied himself to american history .
他致力于研究美国历史。 |
| 2. | I am taking a course in the history of the united states .
我正在学习美国历史这门课程。 |
| 3. | This conception of america's beginnings in the 17th century is for the most part true .
美国历史是从17世纪开始的说法大体上是正确的。 |
| 4. | Such a thing has happened before in the united states, and it has always meant disaster .
这种事情在美国历史上发生过，总是带来灾难。 |
| 5. | Tensions burst into the most awful outbreak of interracial warfare in the history of the united states .
紧张气氛突发为美国历史上最可怕的种族冲突。 |
| 6. | Concentration of control of mass media has congealed at a tenuous time in american history .
大众传播媒介的集中控制是在美国历史上一个软弱无力的时期形成的。 |
| 7. | American historians set to work as european archives were opened to discover the causes of the war .
当欧洲档案公开时，美国历史学工作者着手去发现战争的原因。 |
| 8. | Running through american history, and therefore through american literature, is a double consciousness .
贯穿美国历史的，也就是贯穿美国文学的，是一种双重意识。 |
| 9. | Its advice and injunctions have influenced american history more than washington himself could have anticipated .
它的忠告与诫言，对美国历史影响深远，实非华盛顿自己始料所及。 |
| 10. | The bishop's letter was the signal for a campaign of vilification and intimidation unequaled in american history .
主教的信是发动一场在美国历史上没有前例的诬蔑和恐吓运动的信号。 |
