Any of several brownish seaweeds of the genus sargassum of tropical Atlantic waters having rounded airbladders and often forming dense floating masses.
果囊马尾藻一种马尾藻属褐色海藻，产于大西洋热带水域，有圆形气囊，常常大片聚集、飘浮在一起。
2
The construction of the cushions and bladders in the system includes the use of various types of fabrics with low to high air loss qualities as required.