你可以把它粘在一根棍子上吗?
Instead, it secretes a glue and USES this to stick bits of sand together to form its casing, in the way that a freshwater caddis fly larva does.
堆沙蠕虫分泌出一种胶状物将沙石粘合在一起形成壳装,这一点类似于淡水石蛾的幼虫。
Instead it secretes a glue and USES this to stick bits of sand together to form its casing.
相反,它分泌一种粘胶,以此把沙粒一点点的粘起来形成它的外壳。
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