一个旅行者在行进途中,决定改变路线,抄近路前往目的地。穿越一片看似平坦的草地时,他被什么东西绊了一下,摔了个跟头。他没太在意,爬起来继续前行。走出几十米,他又摔了一跤。这次,他没急着站起来,一边揉着受伤的腿,一边仔细打量草地。绊倒他的是一个草环,周围有很多,行人稍不留意,就会绊倒。他站起来往前一看,不由得大吃一惊——不远处,掩藏在繁茂绿草之间的,竟是一片可怕的沼 While traveling, a traveler decides to change course and cut a short course to their destination. When he crossed a seemingly flat meadow, he was stumbled upon by something and fell off. He did not care too much, got up and moved on. Out of tens of meters, he fell again. This time, he did not hurry to stand up, rubbing his injured leg and scrutinizing the grass. He tripped a grass ring, surrounded by many, pedestrians little attention, will trip. He stood up and looked forward, could not help but be surprised - not far away, hidden in the lush green grass, was actually a terrible marsh