清洁

• He preferred the cleanness and tidiness of the wild sod .
  他喜欢荒野草地的清洁和整齐。
• The sidewalk was hosed every day to keep it clean .
  人行道每天都用水管冲刷以保持清洁。
• A cat is a cleanly animal .
  猫是有清洁习惯的动物。
• The town where she lived had to be kept clean and sweet .
  她住的镇上必须保持清洁、芳香。
• Each worker should be provided with a clean towel .
  每一个工作人员应配备一条清洁的毛巾。
• Visitors have been asked to keep the woods clean and tidy .
  访问者已被要求保持树林清洁整齐。
• He called his cleaning method the nutrient film technique .
  他称他的清洁方法为“滋养膜法”。
• The chambermaid in our corridor wears blue checked gingham aprons .
  给我们扫走廊的清洁女工围蓝格围裙。
• Keep pens clean .
  保持猪栏清洁。
• Low base pressure is also a requirement to keep the surface clean .
  低的基本压强也是保持表面清洁所要求的。