sargassum
/sɑːˈgæsəm/(亦作sargassum weed)
noun
mass noun
1- a brown seaweed with berry-like air bladders, typically forming large floating masses马尾藻。
1.1
- Genus Sargassum, class Phaeophyceae.马尾藻属, 褐藻纲。
词源
modern Latin, from Portuguese sargaço （see SARGASSO）.