olibanum
  乳香
  olib·a·num /oˈlɪbənəm/ 名詞
  乳香
  O·lib·a·num n.  The fragrant gum resin of various species of Boswellia; Oriental frankincense.
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  olibanum
       n : an aromatic gum resin obtained from various Arabian or East
           African trees; formerly valued for worship and for
           embalming and fumigation [syn: frankincense, gum
           olibanum, thus]