许多年前有很多恐龙。

There were lots of dinosaurs many years ago.

许多年前，一位国王在打猎鹿。

Many years ago a king was out hunting for deer.

许多年前，我住在希腊一个非常美丽的岛上。

Many years ago, I lived in Greece, on a very beautiful island.

许多年前，地球是干净的。

Many years ago,the Earth was clean.

许多年前北京是什么样子？

What was Beijing like many years ago?

许多年前我在伦敦见过罗伯特。

I met Robert many years ago in London.

他祖父母均是许多年前去世的。

Both of his grandparents died many years ago.

许多年前这个村里几乎没人住。

Few people lived in the village many years ago.

这种书写语言出现于许多年前。

And this written language appeared many years ago.

这条船许多年前就已经废弃不用了。

This boat was abandoned many years ago.