Any of several venomous Old World snakes of the family Viperidae, having a single pair of long, hollow fangs and a thick, heavy body.是什么意思_Any of several venomous Old World snakes of the family Viperidae, having a single pair of long, hollow fangs and a thick, heavy body.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句