novocaine
noun [ U ] uk/ˈnəʊ.və.keɪn/ us/ˈnoʊ.və.keɪn/
奴佛卡因,盐酸普鲁卡因(一种镇痛药物,尤用于牙科手术中)
a drug given to people to stop them feeling pain, especially during an operation on their teeth
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