Rhizome

['raɪzəʊm] or ['raɪzom]

(noun.) a horizontal plant stem with shoots above and roots below serving as a reproductive structure.

整理:劳埃德--From WordNet

(n.) A rootstock. See Rootstock.

达雷尔手打

n. a root-stock an underground stem when its shape is cylindrical ending in a bud and bearing leaves or scales.—Also Rhizō′ma.

埃尔罗伊校对