they

• They are permanent as a photon is not .
  它们是永恒的，而光子则不然。
• They bought a dog to prevent any burglaries .
  他们买了条狗以防盗贼。
• They had a perfect working relationship。
  他们之间的工作关系很融洽。
• Yes , they are full of sex and violence .
  是的，它们充满了性和暴力。
• They could n't make the charges stick .
  他们拿不出那些指控的依据来。
• Could they supply food for the guerrillas ?
  他们能供给游击队食品吗？
• They carried only one rucksack between them .
  他们两人只带一个背包。
• They drew as many as four times that year .
  他们那一年四次打成平局。
• They were watching the artist at work .
  他们看着那个艺术家忙个不停。