homeland security

劍橋詞典

[ 不可數(shù)或單數(shù)名詞：沒(méi)有複數(shù)形式的名詞 ]
activities and organizations whose purpose is to protect the US from attacks within the country by terrorists
（美國(guó)）國(guó)土安全（活動(dòng)或機(jī)搆）
?Homeland Security

the department of the US government that deals with homeland security
（美國(guó)）國(guó)土安全部 返回 homeland security