treasure  
 noun uk/ˈtreʒ.ər/ us/ˈtreʒ.ɚ/
  (VALUABLE THINGS)         
 B2 [ U ]财宝;珍宝 
very valuable things, usually in the form of a store of precious metals, precious stones, or money
  Stories about pirates often include a search for buried treasure. 海盗故事中经常包括搜寻宝藏。 
 When they opened up the tomb they found treasure beyond their wildest dreams. 他们挖开坟墓后发现了做梦也想象不到的珍宝。 
 treasuresC2 [ plural ] 珍宝;(尤指)艺术珍品
very valuable things, especially pieces of art
  stolen art treasures 被盗的艺术珍品 
 The museum houses many priceless treasures. 这家博物馆收藏了许多价值连城的珍品。 
 - More examples
 - Talk of treasure and lost cities had fired their imaginations.
 - X marks the spot where the treasure is buried.
 - He goes round fields and beaches with his metal detector, hoping to find buried treasure.
 - They're diving for sunken treasure.
 - The three men went to the Bahamas, on the trail of a sunken 17th-century galleon full of treasure.
 
  (PERSON)         
 [ C ] mainly UK informal很有用的人;很重要的人 
someone who is very helpful and valuable to you
  I don't know what I'd have done without Lizzie when I was ill - she was an absolute treasure. 我生病时,要不是丽兹真不知道会怎么样——她真是个不可多得的人。 
  [ C ] mainly UK old-fashioned informal宝贝儿(亲昵称呼,尤指小孩) 
a friendly way of talking to someone, especially a child
  Come on, treasure, let's go and see Granny. 赶快,宝贝儿,我们看奶奶去。 
 treasure       
verb [ T ] uk/ˈtreʒ.ər/ us/ˈtreʒ.ɚ/
C2 珍爱;珍惜;珍藏
to take great care of something because you love it or consider it very valuable
  I will always treasure those memories of my dad. 我会一直珍藏对爸爸的回忆。 
 This pen that my grandfather gave me is one of my most treasured possessions. 我祖父送给我的这支钢笔是我最珍爱的东西之一。