翻译:头部呈三角形,颈部较细,尾部骤然变细的蛇常常是毒蛇.

问题描述:

翻译:头部呈三角形,颈部较细,尾部骤然变细的蛇常常是毒蛇.

:The head presents triangle,the neck is thinner,the coda becomes thin snake suddenly usually is a snake.