• One hypothesis suggests that by closing tiny breathing-valves in their exoskeletons called spiracles, insects prevent evaporation.

    有一假说认为昆虫可以通过关闭外骨骼微小的呼吸阀门(气孔)来防止蒸发。

    youdao

  • One hypothesis suggests that by closing tiny breathing-valves in their exoskeletons called spiracles, insects prevent evaporation.

    有一假说认为昆虫可以通过关闭外骨骼微小的呼吸阀门(气孔)来防止蒸发。

    youdao

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