| 释义 |
〔pondweed〕Any of various submerged or floating aquatic plants of the genusPotamogeton having inconspicuous flowers borne in small spikes. 水池草：一种在水中或浮在水面的眼子菜 属水生植物，有生成小穗的不显眼花朵 〔pickerelweed〕A freshwater plant(Pontederia cordata) of eastern North America, having heart-shaped leaves with long petioles and spikes of violet-blue flowers. 海寿，眼子菜：北美洲东部的一种淡水植物（梭鱼草 梭鱼草属） ，有带有长柄的心形叶和穗状花序的紫蓝色花朵 |