名詞 eelgrass:

1. submerged marine plant with very long narrow leaves found in abundance along North Atlantic coasts
   同義詞：grass wrack, sea wrack, Zostera marina
2. submerged aquatic plant with ribbonlike leaves; Old World and Australia
   同義詞：tape grass, wild celery, Vallisneria spiralis

eel.grass

n.（名詞）
Any of several submersed aquatic plants of the genusVallisneria. Also called tape grass ,wild celery
苦草：任一種大葉藻屬的水下水生植物 也作 tape grass,wild celery