| 释义 |
recreational aeronautics
- 休养的xiū yǎng de
recreational
- 娱乐的yú lè de
recreational; sportful
- 航空术háng kōng shù
aeronautics, aviation
- 航空学háng kōng xué
aeronautics, aerostatics, aviation
- 休闲运动xiū xián yùn dòng
leisure sports; recreational activity
- 美国宇航局měi guó yǔ háng jú
NASA(national aeronautics and space administration)
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