large brown seaweeds having fluted leathery fronds
kelp详细解释
kelp n.（名词）Any of various brown, often very large seaweeds of the order Laminariales.巨藻：昆布目植物，有深浅各种褐色，通常是大型海草中的一种The ash of these seaweeds, used as a source of potash and iodine.海草灰：这种海草的灰常作为提炼钾和碘的原料 来源：Middle English culp 中古英语 culp
