a biannual meeting的用法和样例：
- I have to make a biannual report next Monday.
- Organizes biannual Meetings of Training Pilots and Check Airmen.
- Our school doctor recommends a biannual visit to the dentist.
- We must settle on a place to meet.
- The point of conflict between the two parties is that Muzzi insists on a biannual contract while Bologna have offered a one year contract.