复数： seaweeds

It must have been like swimming in seaweed .

那种感觉一定像在海藻堆里挣扎。

Seaweed is another source of future food from the ocean .

海洋中的海藻是未来食物的另一种原料来源。

Her husband processed seaweed and took tourists by boat to a nearby island .

她的丈夫加工海藻，并开船带游客到附近的岛上游玩。

This is a close-up of a living red seaweed specimen ( martensia sp ) .

这是活着的红色海藻（马滕斯藻）标本的特写镜头。

Initial trials using a seaweed derivative failed , and might even have made things worse .

最初使用海藻衍生物的一些实验失败了，甚至可能使病情恶化。