Rotula aquatica is a species of aromatic flowering shrub in the borage family, Boraginaceae. It is a rare rheophyte native to India, where it is a member of the lotic ecosystem of streams.
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。