海草是一种生长在浅水中的开花植物。

Seagrasses are flowering plants found in shallow waters.

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北美东部的一种植物(河苔草属金鱼藻)，长有类似于海草的橄榄绿叶子，而且生长在流速很快的河流中的岩石上。

An eastern North American plant (Podostemum ceratophyllum) having olive-green foliage resembling seaweed and growing on rocks in rapidly flowing streams.

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因为在许多品牌的冰激凌当中都有角叉胶这种配料，它来自一种被称为是“爱尔兰苔藓”的海草。

"Carageenan," an ingredient in many brands of ice cream, comes from a type of seaweed called "Irish moss."

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