washroom [ˈwɑ:ʃru:m]

例句:

• It really puts me off a place when the washroom is dirty.
  厕所很脏,令我对那个地方很反感.
  
• I hung around until Helen had to go to the washroom.
  我在外边一直等到海伦不得不上厕所.
  
• To have a private washroom was luxurious.
  有私人盥洗室是再惬意不过的.
  
• I had to stop at the gas station on the way to work this morning and use the washroom.
  来自BBC