美大司 Měi Dàsī Department of North American and Oceanian Affairs Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 他在外交部美大司工作。 tā zài Wàijiāobù Měi Dàsī gōngzuò. He works in the Department of North American and Oceanian Affairs of the Ministry of Foreign Affairs. Source: Dong Chinese Dictionary