pump
pump&+{1}
[pʌmp]
n
any device for compressing, driving, raising, or reducing the pressure of a fluid, esp by means of a piston or set of rotating impellers
a mechanism for the active transport of ions, such as protons, calcium ions, and sodium ions, across cell membranes
a sodium pump
vb
to raise or drive (air, liquid, etc, esp into or from something) with a pump or similar device
to supply in large amounts
to pump capital into a project
to deliver (shots, bullets, etc) repeatedly with great force
to operate (something, esp a handle or lever) in the manner of a pump or (of something) to work in this way
to pump the pedals of a bicycle
to obtain (information) from (a person) by persistent questioning
(of liquids) to flow freely in large spurts
oil pumped from the fissure
pump
pump&+{2}
[pʌmp]
n
a low-cut low-heeled shoe without fastenings, worn esp for dancing
a type of shoe with a rubber sole, used in games such as tennis; plimsoll
柯林斯
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