柯林斯詞典Uncle Sam 1. N-PROPER Some people refer to the United States of America or its government as Uncle Sam. 山姆大叔; 對美國或美國政府的稱呼[journalism] They are ready to defend themselves against Uncle Sam's imperialist policies. 他們已經(jīng)做好準(zhǔn)備抵抗山姆大叔的帝國主義政策。 返回 Uncle Sam劍橋詞典the US, or its government , sometimes represented by an image of a tall , thin man with a white beard and a tall hat 山姆大叔（指美國或美國政府，有時(shí)以一個(gè)留白須、頭戴高禮帽的瘦高個(gè)男子的形象出現(xiàn)，尤見于政治漫畫中） 返回 Uncle Sam