同根派生 caddis fly相关词英汉例句用作名词 (n.)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.相反，它分泌胶质后，使用它与沙子一起构建自己的壳，与淡水石蛾幼虫的构建方式相同。caddis fly更多例句