| 单词 | aviation |
| 释义 | aviation —aviatic /ay'vee at"ik, av'ee-/, adj. /ay'vee ay"sheuhn, av'ee-/, n. 1. the design, development, production, operation, and use of aircraft, esp. heavier-than-air aircraft. 2. military aircraft. [1865-70; < F; see AVI-, -ATION] |
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