Perennial marsh plant having swordlike leaves and aromatic roots .

生长于沼泽地带的一种多年生植物，具有 剑 状的叶子和带有香味的根。

Freshwater fish of Central America having a long swordlike tail ; popular aquarium fish . flesh of swordfish usually served as steaks .

中美洲有 剑 一样 长尾巴的淡水鱼；养鱼池中 很常见。剑鱼的肉，常用来做鱼片。