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procaine

noun
/ˈprəʊkeɪn/
/ˈprəʊkeɪn/
(also novocaine)
[uncountable] (medical医学)
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  1. a substance used to stop somebody from feeling pain in a particular part of their body, especially by a dentist普鲁卡因(牙医等用的局部麻醉药)
    Word Originearly 20th cent.: from pro- (denoting substitution) + -caine (from cocaine).

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