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嘀嘀,地心飞船启动!奇幻的地心历险之旅要开始啦!亲爱的小读者,你能顺利地穿越地心吗?(提示:入口在右上红箭头处,出口在左下红箭头处。)
Didi, Geocentric launch! Fantastic geocentric adventure begins! Dear little reader, can you cross the center of the earth smoothly? (Hint: The entrance is at the upper right red arrow and the exit is at the lower left red arrow. )