The ouroboros, or a snake eating its own tail.

表明了永恒的延续。

Then, suddenly, one of the snakes coils around and bites its tail like the ancient symbol of the ouroboros.

然后，突然间，其中一条蛇盘绕起来咬住它的尾巴，就像衔尾蛇的古老象征一样。