• 内地nèi dì backland, hinterland, outback, upcountry
• 偏僻地区piān pì dì qū backland, hinterland, tall timber
• 飞行徽章fēi háng huī zhāng aviation badge
• 国际民间航空组织guó jì mín jiān háng kōng zǔ zhī International Civil Aviation Organization, ICAO
• 航空háng kōng aviation; voyage
• 航空保险háng kōng bǎo xiǎn aviation insurance
• 航空汽油háng kōng qì yóu aviation gasoline; supercombat gasoline; avags
• 航空术háng kōng shù aeronautics, aviation
• 航空学háng kōng xué aeronautics, aerostatics, aviation
• 航空学校háng kōng xué xiào aviation academy, flying school
• 航空医学háng kōng yī xué aeromedicine, aviation medicine
• 民航mín háng civil aviation
• 民用航空mín yòng háng kōng civil aviation; commercial aviation

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DDT, DDT-dehydrochlorinase, DDTs, DDU, DDVP, DDVT, DDX, DE, de-, de facto,

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3G, 401(K), a,

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deacidification, deacidify, deacidize, deacon, deaconess, deaconry, deacons, deaconship, Deactigel, deactivate,

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3G, 401(K), a,

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dead beat, dead body, dead center, dead drop, dead duck, dead hand, dead head, dead heat, dead letter, dead line,

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3G, 401(K), a,