as·pi·ra·tor /ˈæspəˌretɚ/
  吸氣器,吸出器
  as·pi·ra·tor /ˈæspəˌretɚ/ 名詞
  抽吸器,抽氣器
  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.
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  aspirator
       n : a pump that draws air or another gas through a liquid