n. 抽吸装置, 水流抽气机

[化] 吸气器

[医] 抽吸器, 吸引器

[ noun ]
a pump that draws air or another gas through a liquid
<noun.artifact>

Aspirator \As"pi*ra`tor\, n.
1. (Chem.) An apparatus for passing air or gases through or
over certain liquids or solids, or for exhausting a closed
vessel, by means of suction.

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