N-COUNT 王蛇，大蟒蛇（主要产于美洲中南部和西印度群岛） A boa constrictor is a large snake that kills animals by wrapping itself round their bodies and squeezing them to death. Boa constrictors are found mainly in South and Central America and the West Indies. 王蛇，大蟒蛇（主要产于美洲中南部和西印度群岛）