the Homeland Security Department的用法和樣例：
例句
- Arizona Governor Janet Napolitano may be the next director of the Department of Homeland Security.
亞利桑那州長(cháng)珍妮特可能是下屆美國國土安全部部長(cháng)。 - Homeland Security Director Michael Chertoff says there are no signs of plotting within the United States.
美國國土安全部部長(cháng)切爾托夫說(shuō)，目前還沒(méi)有跡象顯示美國國內有陰謀策劃。
