鸟类学家是专业的鸟人，他们不止在鸟种方面，在鸟类行为学、解剖学、生理学和鸟种进化史等方面都受过先进专业的科学训练。
An ornithologist is a professional birder with advanced scientific training about not only bird species but also about behavior, anatomy, physiology and bird species history.
鸟类学家是专业的鸟人，他们不止在鸟种方面，在鸟类行为学、解剖学、生理学和鸟种进化史等方面都受过先进专业的科学训练。
An ornithologist is a professional birder with advanced scientific training about not only bird species but also about behavior, anatomy, physiology and bird species history.
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