saver [ˈseɪvər]

例句:

• A washing - machine is a saver of time and strength.
  洗衣机是一种省时省力的机械.
  
• These potatoes are sold ready sorted and washed, and can prove a great time-saver for the busy cook.
  这些土豆卖时已拣好洗净，对于赶时间做饭的人来说能节省很多时间。
  
• The clothes - dryer was a life - saver during the wet weather.
  天气潮湿时乾衣机可帮了大忙了.
  
• Here are our ten tips to be a happy saver.
  来自THETIMES
• I predict that is the next energy saver.
  来自SA
• You've remained a world-saver, I said.
  来自NEWYORKER