larch /ˈlɑrʧ/
  落葉松屬植物,其木材
  Larch n.  Bot. A genus of coniferous trees, having deciduous leaves, in fascicles (see Illust. of Fascicle).
  Note: The European larch is Larix Europæa. The American or black larch is Larix Americana, the hackmatack or tamarack. The trees are generally of a drooping, graceful appearance.
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  larch
       n 1: wood of a larch tree
       2: any of numerous conifers of the genus Larix all having
          deciduous needlelike leaves [syn: larch tree]