| 释义 |
DEFINITIVE EXAMPLES 权威例句〔CAB〕Civil Aeronautics Board.（美国）民用航空局的简写美国传统〔general aviation〕The operation of civilian aircraft for purposes other than commercial passenger transport, including personal, business, and instructional flying.一般飞行：为了一般商务用运输旅客为目的之外的民用航空器飞行，包括私人、商务、及教学用飞行美国传统〔ground〕The civil aviation minister ordered all the planes to be grounded.民用航空部长命令所有飞机停飞。外研社新世纪 |