| 释义 | 
             
                free flight wind tunnel
                
            风洞fēng dòng 
 wind tunnel飞机的航程fēi jī de háng chéng 
 flight包机bāo jī 
 charter flight单飞dān fēi 
 solo flight下流场所xià liú chǎng suǒ 
 free and easy免费miǎn fèi 
 free of charge; cost free; free; gratis隧道suì dào 
 tunnel; tube; tunnel ahead; cuniculus; histosiphon免票miǎn piào 
 free of charge, free ticket飞跃fēi yuè 
 flight, leap, overfly, rush高空飞行gāo kōng fēi háng 
 altitude flight国际班机guó jì bān jī 
 international flight目视飞行mù shì fēi háng 
 contact flight太空飞行tài kōng fēi háng 
 space flight隧洞suì dòng 
 tunnel平稳的飞行píng wěn de fēi háng 
 smooth flight载人航天zǎi rén háng tiān 
 manned space flight挡风板dǎng fēng bǎn 
 wind screen; wind deflector; wind shield; wind board逍遥的xiāo yáo de 
 free; unfettered自由能zì yóu néng 
 free energy恒风héng fēng 
 permanent wind卷拢juàn lǒng 
 wind up奉送fèng sòng 
 give sb. free, offer as a gift棚洞péng dòng 
 hangar tunnel挖隧道wā suì dào 
 tunnel飞行路线fēi háng lù xiàn 
 flight line, flight route
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