a perforated eardrum的用法和样例：
- It is not recommended that one use ear candles if they have tubes in their ears, or a perforated eardrum.
- pierced ears; a perforated eardrum; a punctured balloon.
- To decorate with a perforated pattern.
- Perforated eardrum was irregular, perforated edge of a blood, sometimes listening to that small bone damage and dislocation.