单词 | contrayerva |
释义 | Word Frequency contrayerva(ˌkɒntrəˈjɜːvə) noun the root of any of several tropical American moraceous plants of the genus Dorstenia, esp D. contrayerva, used as a stimulant and tonic Word origin C17: from Spanish contrayerba, from contra- + yerba grass, (poisonous) plant, from Latin herba; referring to the belief that it was an antidote to poisons |
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