鸟类学 Traditional 鳥類學 niǎo lèi xué 🔊 ornithology + Review this word Meanings niǎo lèi xué 鳥類學 ornithologystudy of birds Its characters 鸟niǎobirdHSK 2类lèikind; type; class; categoryHSK 5学xuéto learnHSK 1