a blood bank的用法和样例：
- He donated blood to a blood bank.
- The Red Cross created a blood bank for emergencies.
- Police arrested a 29-year-old drunken man suspected of stealing three vials of blood from a blood bank of the Yan Chai Hospital and apparently drinking the contents.
- The hospital has its own blood bank.
- You'll be asked to provide a blood specimen.
- He's gone to the clinic for a blood test.
a blood bank的相关资料：