a three-headed monster的用法和样例：
- The Zmey is a three headed dragon capable of breathing flames.It is larger than a wyvern, but smaller than a true dragon.
- It is a three ring circus to watch that silly dog play.
- Losing to a Phoenix Suns team with the three headed Nash-Amar'e-Marion monster is not exactly a disgrace.
- The many - headed monster that was slain by Hercules.
- He discarded a three,and picked up a Queen.