lidocaine      
noun [ U ]  medical specialized uk/ˈlɪd.ə.keɪn/ us/ˈlɪd.əˌkeɪn/
 利多卡因(用作局部麻醉药)
a drug used as a local anaesthetic (= drug to prevent pain in a particular part of the body) and to reduce fast heart rhythms
 
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