英语语法分析

It was here that the civilization known as Sumer emerged in its earliest form in the fifth millennium.

苏美尔文明就是在这里出现的，其最早的形式诞生于公元5世纪。

A tablet engraved about 3000 B.C.E. provides the earliest known example from Sumer, a roofed boxlike sledge mounted on four solid wheels.

来自公元前3000年左右的一块苏美尔的雕刻陶土板提供了已知最早的例证：一个带顶棚的箱状雪橇被安装在四个实心的轮子上。

Sumer and its great civilization lie prostrate.

苏美尔和它的伟大文明衰竭了。