Aspirator

[æspәreitә]

解释:

(noun.) a pump that draws air or another gas through a liquid.

录入:里基--From WordNet

解释:

(n.) An apparatus for passing air or gases through or over certain liquids or solids, or for exhausting a closed vessel, by means of suction.

(n.) An instrument for the evacuation of the fluid contents of tumors or collections of blood.

录入:西德尼