保持清洁

• 11 the fish tank area should be clean , well ventilated and free from any building defect
  11鱼缸四周的地方须保持清洁及空气流通，亦不能有结构上的缺陷。
• Keep the hallway clear and do not accumulate personal belongings at the hallway . also , keep the hallway clean
  走道保持畅通不可堆放私人用品,并保持清洁。
• Keep your kitchen and cooking utensils clean . garbage should be placed in a bin with a cover
  保持环境卫生，厨房、食具要保持清洁，垃圾要放在有盖垃圾桶。
• For one thing they keep the water clean . also they make the tank look much prettier
  一则它们（水下植物）可以使水保持清洁，再则他们可以便水箱看起来漂亮些。
• A " tidy " market should always be clean and hygienic . it should be well designed and user friendly
  一个整洁的街市应经常保持清洁?生，设计完善，方便顾客使用。
• A " tidy " market should always be clean and hygienic . it should be well designed and user friendly
  一个整洁的街市应经常保持清洁?生，设计完善，方便顾客使用。
• 2 . 2 holy water may be provided at the church entrance , but it should be changed weekly and always kept clean
  2 . 2圣堂门口可照常设置圣水，但需每周更换，并经常保持清洁。
• 2 . 4 liturgy booklets and hymnals may be used in the church . however , they should be kept clean as far as possible
  2 . 4圣堂内可照常采用礼仪经书和歌书，但需尽力保持清洁。
• The refrigerator should be kept clean and defrosted regularly . maintain the temperature below four - degree celsius
  雪柜要定期溶雪及保持清洁温度必须维持在摄氏四度以下。