a whole day的用法和样例：
- A very funny joke may relieve you of a whole day's fatigue.
- I'm so tired I could sleep for a whole day.
- She was ill and stayed in the downstairs bedroom for a whole day.
- He had been working for a whole day and he needed to rest from his work.
- My head became heavy after a whole day's meeting.
a whole day的相关资料：