“Pectorals are the motor for 80 percent of flight,” said Dr. Tobalske, which explains why they are the largest part of the anatomy.

“胸肌担负了飞行中80%的动力来源，”托巴尔斯克博士说，这也解释了为什么在鸟类解剖形态中，胸肌所占的比重最大。

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“Pectorals are the motor for 80 percent of flight,” said Dr. Tobalske, which explains why they are the largest part of the anatomy.

“胸肌担负了飞行中80%的动力来源，”托巴尔斯克博士说，这也解释了为什么在鸟类解剖形态中，胸肌所占的比重最大。

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