pumping
动词 pump:
operate like a pump; move up and down, like a handle or a pedal
同义词:pump
deliver forth
同义词:pump
draw or pour with a pump
同义词:pump
supply in great quantities
同义词:pump
flow intermittently
同义词:pump
move up and down
同义词:pump
raise (gases or fluids) with a pump
同义词:pump
question persistently
同义词:pump