柯林斯词典seaweed /ˈsiːˌwiːd/ (seaweeds) 1. N-MASS Seaweed is a plant that grows in the sea. There are many kinds of seaweed. 海草 ...seaweed washed up on a beach. …被冲上海滩的海草。 返回 seaweed剑桥词典a green , brown , or dark red plant that grows in the sea or on land very close to the sea 海草；海藻 返回 seaweed