subterranean lake造句

• Tom found a subterranean lake, shortly, which stretched its dim length away until its shape was lost in the shadows . he wanted to explore its borders, but concluded that it would be best to sit down and rest awhile, first
  不久汤姆发现了地下湖，它渐渐地伸展，最后消失在黑暗中，他打算沿着岸去探个究竟，可转而一想还是坐下来先歇一会为妙。