n.[C]

1. 飞行物（鸟、昆虫等）；飞行员
2. （火车、公共汽车等）特快车；特快船
3. （广告）传单

n.

1. a person or thing that flies.
   ▸informal a fast-moving person or thing.
2. a small handbill advertising an event or product.
3. a flying start.
4. informal, chiefly N. Amer. a speculative action or investment.