pump cup

例句：

1. 1. The pump is essential for the water supply system.
   泵对于供水系统至关重要。
2. 2. The pump was damaged during the flood.
   洪水期间泵被损坏了。
3. 3. The pump needs to be cleaned regularly to prevent blockages.
   泵需要定期清洗以防止堵塞。