gentian of eastern North America having clusters of bristly blue flowers
同义词：ague weed??/??five-flowered gentian??/??stiff gentian??/??Gentianella quinquefolia??/??Gentiana quinquefolia
perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine
同义词：boneset??/??thoroughwort??/??Eupatorium perfoliatum
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。