pickerelweed / ˈpɪk ər əlˌwid, ˈpɪk rəl- /

📖毕业后词汇泡菜草泡菜萍水相逢萍踪草

pickerelweed 的定义

n. 名词 noun
  1. any American plant of the genus Pontederia, especially P. cordata, having spikes of blue flowers, common in shallow fresh water.