phlebotomy
noun [ U ] medical specialized uk/flɪˈbɒt.ə.mi/ us/fliːˈbɑː.t̬ə.mi/
（从病人体内）取血，抽血，静脉切开术
the process of making a hole or cut in a vein (= tube carrying blood in the body), for example in order to take blood from a patient
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