watercress
/ˈwɔːtəkres/noun
mass noun
1- a Eurasian cress which grows in running water and whose pungent leaves are used in salad水田芥, 水蔊菜。
1.1
- Nasturtium officinale, family Cruciferae.拉丁名Nasturtium officinale,十字花科。