a racing yacht的用法和样例：
- A racing yacht sailed by a picked crew.
- A large jib used on a racing yacht.
- Five Britons have been detained by the Iranian navy while sailing a racing yacht from Bahrain to Dubai, the Foreign Office (FCO) has said.
- He has the nerve to drive a racing car.
- The Gypsies are a race constantly on the move.
- Once a year a race is held for old cars.