短语词组短语Brown country rat 小黄腹鼠Brown Norway rat 大鼠brown house rat 褐家鼠Brown -Norway Rat 棕色挪威大鼠;周龄棕色挪威大鼠norway brown rat 挪威棕色大鼠brown country -rat 小黄腹鼠 返回 brown rat