a critical case of measles的用法和样例：
- A case of measles kept him in bed.
- A critic is a man whose watch is five minutes ahead of other people's watch.
- I have kept a reserve fund in case of accidents.
- Judd Stevens is a psychoanalyst faced with the most critical case of his life.If he does not penetrate the mind of a murderer he will find himself arrested for murd ...