grails

例句:

• Roland Digby, from the WWT, said the spoon-billed sandpiper was "one of the holy grails of birdwatching".
  来自BBC
• The removal of cellulite remains one of the holy grails of cosmetic dermatology.
  去除脂肪团至今仍是皮肤美容学上的终极目标之一.
  
• This is one of the ways that Grails unifies access to the different scopes.
  这是统一存取不同范围的方式之一.
  
• For two decades, the top quark has been one of the Holy Grails of high-energy physics.
  来自SA
• The treaty thus provides the Obama administration with an end-run around Congress to reach these gun-control holy grails.
  来自WSJ