| 词条 | Bitis |
| 释义 | Bitis snake genus snake genus belonging to the venomous viper family Viperidae, including the puff adders (e.g., Bitis arietans; see adder), the Gaboon viper (q.v.; B. gabonica), and the rhinoceros viper (q.v.; B. nasicornis). There are a dozen or more species of Bitis. All occur in Africa and range from 30 cm to 1.8 metres (12 inches to 6 feet) in length. |
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