| 单词 | day and night | 
| 释义 | day and night phrase B1+ See full dictionary entry for  day If something happens  day and night or night and day, it happens all the time without stopping.   Chantal kept a fire burning night and day.    He would have a nurse in constant attendance day and night.   Synonyms: constantly, all the time, continually, nonstop    | 
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