文明的曙光标志着人类历史的一次重大飞跃。

___The ___dawn ___of civilization marked a significant leap in human history.

自时间伊始，人类就一直在寻求理解自己在宇宙中的位置。

Since ___the ___dawn ___of time, humans have sought to understand their place in the universe.

我们正在见证可再生能源技术新纪元的开端。

We are witnessing ___the ___dawn ___of a new era in renewable energy technology.