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凯发k8官网-凯发k8天生赢家一触即发官网 > tag标签 > tongues
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蜂鸟的舌头是一个微型泵
15-08-20 in a paper titled hummingbird tongues are elastic micropumps which appears in the august 19 issue of proceedings of the royal society b, alejandro rico guevara and margaret rubega from the department of ecology and evolutionary biology and tai-hsi f...
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