One hypothesis suggests that by closing tiny breathing-valves in their exoskeletons called spiracles, insects prevent evaporation.
有一种假说认为昆虫可以通过关闭外骨骼上微小的呼吸阀门(气孔)来防止蒸发。
One hypothesis suggests that by closing tiny breathing-valves in their exoskeletons called spiracles, insects prevent evaporation.
有一种假说认为昆虫可以通过关闭外骨骼上微小的呼吸阀门(气孔)来防止蒸发。
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