| 单词 | quinine |
| 释义 | Word Frequency quinine(kwɪˈniːn, US English ˈkwaɪnaɪn) noun a bitter crystalline alkaloid extracted from cinchona bark, the salts of which are used as a tonic, antipyretic, analgesic, etc, and in malaria therapy. Formula: C20H24N2O2 Word origin C19: from Spanish quina cinchona bark, from Quechua kina bark |
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