同类词有snake、bear、tiger等，例如：1、The snake sheds its skin once a year.蛇一年蜕一次皮。2、He killed the snake with his bare hands.他赤手空拳打死了那条蛇。3、The cobra is one of the world's deadliest snakes.眼镜蛇是世界上毒性最剧烈的蛇类之一。
