sloe /ˈslo/
  黑刺李,野生的李樹之類
  Sloe n.  Bot. A small, bitter, wild European plum, the fruit of the blackthorn (Prunus spinosa); also, the tree itself.
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  sloe
       n 1: wild plum of northeastern United States having dark purple
            fruits with yellow flesh [syn: Allegheny plum, Alleghany
            plum, Prunus alleghaniensis]
       2: a thorny Eurasian bush with plumlike fruits [syn: blackthorn,
           Prunus spinosa]
       3: small sour dark purple fruit of especially the Allegheny
          plum bush