cleaner

• Clean air is important to good health .
  新鲜的空气对健康是重要的。
• Make sure your original is clean and readable。
  确保原稿整洁易读。
• He made a clean breast of his crime to the police .
  他向警方如实招供。
• He has made a clean break with the past .
  他完全改变了过去的生活方式。
• The mayor has decided to clean up the city .
  市长已决定整顿市政。
• She cleaned the dirt from her finger-nails .
  她从指甲里剔掉污垢。
• The mayor is determined to clean up the city .
  市长决心净化城市。
• Wash your hands and clean your nails .
  把你的手洗一洗，并把指甲弄干净。
• Please bind the carpet before cleaning it .
  请在清洗地毯以前把边收一收。
• Two objectives are usually sought in cleaning .
  清洗一般要达到两个目标。