a head injury的用法和样例：
- Have you ever had a head injury?
- I had a head injury in an accident.
- A head injury can also activate the Third Eye - Pineal Gland.
- Ansam Rahel, 10, sustained a head injury in the attacks.
- The unidentified man is in critical condition, suffering from hyperthermia and a head injury.
a head injury的相关资料：
Ajdini a a dirtily dressed camel driver. A DEMONSTRATION OF CORIOLIS FORCE A Review of Sophistic Linguistics a nebulous concept/description A weak natural physical endowment a pretty little triangular garden A bulldozer broadened the gaps. A AAS Automatic addressing system a collaborative effort/venture