航空学 hángkōngxué aeronautics Definitions Defs Origin Strokes Stroke Words Sentences Sents 航空学 航空學 hángkōngxué aeronautics aeronautics; aviation science Frequency Movie subtitles 0.060 per million appears in 0% of films Sources Frequency data SUBTLEX-CH
航空学 航空學 hángkōngxué aeronautics aeronautics; aviation science Frequency Movie subtitles 0.060 per million appears in 0% of films Sources Frequency data SUBTLEX-CH
