water injection air hammer

例句：

1. 1. The doctor administered the medication for her pain relief.
   医生给她打了一针以缓解疼痛。
2. 2. The nurse injected the patient with anesthetic to numb the area.
   护士给病人注射麻醉剂以麻木该区域。
3. 3. The scientist performed a series of injections on the test subject.
   科学家对实验对象进行了一系列的注射。
4. 1. The city is surrounded by a beautiful sea and lush greenery.
   这座城市被美丽的海洋和郁郁葱葱的植被所环绕。
5. 2. Air pollution has become a serious environmental issue.
   空气污染已成为一个严重的环境问题。
6. 3. The pilot had to clear the air before landing.
   飞行员在降落前必须清理空气。
7. 1. He used a hammer to drive the nail into the wall.
   他用锤子把钉子钉入墙上。
8. 2.The carpenter hammered away at the wooden planks until they were perfectly aligned.
   木匠用锤子敲打木板，直到它们完美地对齐。
9. 3. The hammer struck the anvil with such force that it shook the room.
   锤子重重地击打砧子，使房间都震动了。