silverback [ˈsɪlvərbæk]

例句:

• It is the second gorilla to be fathered by silverback Badongo.
  来自BBC
• Headed by silverback Kingo, the group contains six females and their playful infants.
  为何千里迢迢到此探访这群大猩猩?
  
• These were meant, and accepted, as lessons on how to be effective at the job while living long enough to be a silverback.
  来自SA
• The Ugandan government relocated them from their forest homeland to make a national park to protect silverback gorillas.
  来自VOA