a constriction in the throat的用法和样例：
- A feeling of constriction in the throat caused by emotion.
- After singing all night in the tavern, I had a frog in the throat next morning.
- He felt a constriction in her chest.
- I caught a cold and have a frog in the throat.
- I always notice a constriction in the chest and shortness of breath following a fit of sneezing.