短语词组短語ruderal plant 宅旁襍草;[植]襍草植物ruderal strategy 襍草對策grassland ruderal 草地襍草ruderal annuals 一年生襍草parasitic ruderal 寄生襍草ruderal species 襍草種ruderal soil 襍草土壤ruderal plants 襍草pressing -ruderal device 壓襍裝置 返回 ruderal