By chance, when I got back home, I had an email waiting for me from Mr. Peter E. Sand, director of privacy technology at the US Department of HomelandSecurity in Washington.
正巧回到家我后收到了一封邮件，来自华盛顿美国国土安全局的隐私保护技术处主任皮特·e·桑德先生。
2
The door burst open. Just before HomelandSecurity put the cuffs on us, Billy woke up and Sid spoke.
大门被猛然打开。就在国土安全局的人给我们戴上手铐的时候，比利醒来了，席德开口说道。
3
The US Department of HomelandSecurity announced Friday a list of 11 airports to be equipped with full-body scanning machines to better detect possible threats.