rootball / ˈrutˌbɔl, ˈrʊt- /
⚽高中词汇根球根团根茎类根球菌
rootball 的定义
n. 名词 noun- a roughly spherical aggregate of roots and soil that is transplanted with a plant, especially a tree or shrub.
- the ball of soil and roots of a plant growing in a pot or other container.