lever key

例句：

1. 1.He used a lever key to open the door.
   他用杠杆钥匙打开了门。
2. 2. The locksmith needed a lever key to unlock the safe.
   锁匠需要一把杠杆钥匙来打开保险箱。
3. 3.The old key was too small for the new lever key, so he had to buy a new one.
   旧钥匙太小了，不适合新的杠杆钥匙，所以他不得不买一把新的。