double wedge aerofoil profile

例句：

1. 1. The carpenter used a wedge to pry open the door.
   木匠用楔子撬开了门。
2. 2. The wedge was so sharp that it could easily split wood.
   这个楔子非常锋利，可以轻松地劈开木头。
3. 3. He used a wedge to drive the nail into the wall.
   他用楔子把钉子钉进墙上。