signs and wonders

例句：

1. 1. The ancient ruins area testament to the wondersof human ingenuity.
   古代遗迹是人类智慧的见证。
2. 2. The discovery of lifeon other planets is a sign ofthe wonders that still await us.
   在其他行星上发现生命是对我们仍然等待的奇迹的证明。
3. 3. The story of thefirst manned space flight is a reminderof the signs and wonders of ouruniverse.
   首次载人航天飞行的故事提醒我们宇宙中奇迹的存在。