劍橋詞典a type of freshwater algae (= very simple plants ) formed of cells that contain a green spiral of chloroplast 水綿(一種淡水藻,由細(xì)胞構(gòu)成的極簡單的植物,含葉綠體構(gòu)成的綠色螺旋圈) 返回 spirogyra