英汉例句权威例句William Moffett, the first chief of the Bureau of Navy Aeronautics.NPR: Forgotten US Airship Crash Recalled 80 Years Laterbureau of aeronautics更多例句词组短语短语mukden bureau of aeronautics 东三省航空处Bureau of Aeronautics Industrial Reserve 航空工业储备局bureau of aeronautics更多词组