hand air pump

例句：

1. 1. We need touse a hand air pump to clear theair in the room.
   我们需要使用手摇式空气泵来给房间通风。
2. 2. The handair pump is essential for emergency situations whereyou need to provide oxygen to someone whocan't breathe on their own.
   手摇式空气泵对于紧急情况至关重要，当你需要为无法自主呼吸的人提供氧气时。
3. 3. The hand air pump is asimple and effective tool for cleaning small spaces.
   手摇式空气泵是一种简单而有效的工具，用于清洁小空间。