鸟类学 niǎolèixué ornithology Definitions Defs Origin Strokes Stroke Words Sentences Sents 鸟类学 鳥類學 niǎolèixué ornithology ornithology; the scientific study of birds Frequency Movie subtitles 0.090 per million appears in 0% of films Sources Frequency data SUBTLEX-CH
鸟类学 鳥類學 niǎolèixué ornithology ornithology; the scientific study of birds Frequency Movie subtitles 0.090 per million appears in 0% of films Sources Frequency data SUBTLEX-CH
