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spiraclesBNC¹⁰⁴⁵⁸⁴⁺⁶Economist⁵³⁵⁸¹⁺¹
基本例句
n.呼吸孔；气孔；喷水孔医气门原型spiracle的复数 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。 blog
The results showed that structural traits of posterior spiracles, skin and digestive dust regularly changed with larval growth and could be used as larval age markers.
结果表明：后气门形态、表皮、消化道等随时间而发生的规律性变化可作为幼虫日龄的标志。 www.insect.org.cn |