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- The fugitives travelled by night andrested by day. 逃亡者夜行而昼伏。
- Day by day she learnt more about her job. 她日益了解自己的工作了。
- It is getting warmer day by day. 天气一天天暖和起来。
- Owls sleep by day and work at night. 猫头鹰白天睡觉晚上工作。
- He have to sleep by day and work by night. 他只好白天睡觉，晚上工作。
- She sleeps by day and works by night. 她白天睡觉，夜间工作。
- Owls sleep by day and work by night. 猫头鹰白天睡觉晚上工作。
- Cats sleep by day and hunt by night. 猫白天睡觉，夜晚进行捕捉。
- He had to sleep by day and work by night. 他只好白天睡觉,晚上工作。
- She is getting better day by day. 她的健康状况一天天好起来。
- The patient's condition is improving day by day. 病人的病情逐日好转。
- What is done by night appears by day. 若要人不知除非己莫为。
- You can see stars by night, but not by day. 你在夜晚可以看到星星，白天却看不到。
- He used to work in an office by day and drive a taxi by night. 他过去白天在办公室上班，晚上开计程车。
- They travelled by day and stayed at hotels by night. 他们白天行路,晚上在旅馆过夜。
- The market is becoming brisker day by day. 市场日趋繁荣。
- Our country is thriving and prospering day by day. 祖国日益繁荣昌盛。
- Day by day the structure heightened. 建筑物逐日增高。
- He is living a double life- a church warden by day and a thief by night. 他以前过着双重人格的生活－－白天当教区委员、夜里当贼。
- The old man's health dwindled slowly day by day. 老人的身体日渐衰弱。
