| 1. | U . s . officials tell nbc news most of the secret sources
美国官方告诉nbc新闻大部分被加密的内容 |
| 2. | Usa conducts most of its winter competition in short course
美国官方多把冬季锦标赛安排在短池进行。 |
| 3. | U . s . officials tell nbc news most of the secret sources . .
美国官方告诉nbc新闻大部分被加密的内容. . |
| 4. | Today is the day when america ' s population officially hits 300 , 000 , 000
今天美国官方统计人口突破3亿。 |
| 5. | 175 official u . s . playstation magazine
美国官方杂志 |
| 6. | Today is the day when america ' s population officially hits 300 , 000 , 000
今天是美国官方人口统计数突破3亿的日子。 |
| 7. | Similarly , more than 70 % of americans under the official poverty line own at least one car
美国官方贫困线以下的人，有70 %多拥有至少一辆车。 |
| 8. | No firm statistics on all mercury spills at schools are available , federal officials say
关于校园水银溢出的事件，美国官方也没有确切的统计数字。 |
| 9. | Us officials say at least five civilians were killed when a us helicopter crashed in iraq
美国官方说美国直升机在伊拉克的坠毁导致至少五位平民死亡。 |
| 10. | American officials have been warned that climate change presents a serious threat to national security
美国官方被警告说气候改变将严重威胁到国家安全。 |
