blad·der·wort /ˈblædɚ/
  狸藻類的植物
  Blad·der·wort n. Bot. A genus (Utricularia) of aquatic or marshy plants, which usually bear numerous vesicles in the divisions of the leaves. These serve as traps for minute animals. See Ascidium.
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  bladderwort
       n : 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