Read Edit View history 鸟类学 niǎolèixué ornithology Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 鸟类学/ 鳥類學 niǎolèixué ornithology noun · the scientific study of birds 他在大学里专门研究鸟类学。 Edit Delete References Add reference No references for this word.