bra·chi·ate /ˈbrekiˌet/
  (a.)十字對生的
  Brach·i·ate a.  Bot. Having branches in pairs, decussated, all nearly horizontal, and each pair at right angles with the next, as in the maple and lilac.
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  brachiate
       adj 1: having widely spreading paired branches; "maples are
              brachiate"
       2: having arms or armlike appendages
       v : swing from one hold to the next; "the monkeys brachiate"