erect or spreading perennial of the eastern United States
同义词：Polemonium reptans
pinnate-leaved European perennial having bright blue or white flowers
同义词：Jacob's ladder??/??charity??/??Polemonium caeruleum??/??Polemonium van-bruntiae??/??Polymonium caeruleum van-bruntiae
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。