a flying machine的用法和样例：
- He continued with his plan to build a flying machine, in spite of the mockery of his friends.
- This morning Mr Zhang was riding his hobby of a flying machine to death.
- Some of these included drawings for a flying machine and a machine gun.
- Leonardo da Vinci was the first to think about how a flying machine would actually be built.
- When the Wright brothers said they could build a flying machine, people thought they were all wet.