stonewort / ˈstoʊnˌwɜrt, -ˌwɔrt /

🎓大学词汇石莼菜石竹草石莼石竹

stonewort 的定义

n. 名词 noun
  1. any of a plantlike group of green algae constituting the class Charophyceae, having a jointed body frequently encrusted with lime and usually attached to the bottom in fresh water.