rootlev.用鼻尖挖掘;搜索挖掘;搜索
rootn.根;根源;根本v.生根;扎根;根除
root of the tail尾根
root-zone soil根际土
root shoot ratio根冠比
root preparation根管预备
root of the crop作物根
root rotary pump鲁特旋转泵
root to the spot使固定不动
root attribution根系分布
root rot disease根腐病
roots as the end目的性之本