航空學 Save Sign in to save words Simplified: 航空学 hángkōngxué ㄏㄤˊ ㄎㄨㄥ ㄒㄩㄝˊ aviation science Character by character 航(háng)boat 空(kōng)empty 學(xué)learn A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0