单词 | OAO |
释义 | OAO1Military slang noun One and only. Origin1920s; earliest use found in The New York Times. OAO2noun Orbiting astronomical observatory. Origin1960s; earliest use found in Frederick Ira Ordway (b. 1927). |
随便看 |
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。