a widely distributed perennial sedge having small edible nutlike tubers
同义词：nutgrass??/??nutsedge??/??nut sedge??/??Cyperus rotundus
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。