any of numerous aquatic carnivorous plants of the genus Utricularia some of whose leaves are modified as small urn-shaped bladders that trap minute aquatic animals
例句
Bladder 1.A modified leaf, found on the stems of members of the bladderwort family, that develops into a distended structure for trapping small invertebrates. 浮囊1在狸藻科植物的茎中发现的经过修饰的叶，可以扩大为一种结构用来捕获小型的无脊椎动物。
