英语语法分析

UR ensures the highest level of performance at the cost of some data inconsistency.

UR 以牺牲某些数据的不一致性为代价，确保了最高级别的性能。

Whether they are a peculiar sister group, or the ur-snake from which all others descend?

它们究竟是一种特殊的分支种群，还是其他各种蛇类的鼻祖？

My vote for the most important cities in the world in the period leading up to 2000 B.C. would be Ur, Iraq.

我认为在公元前2000年之前的世界上最重要的城市是伊拉克的乌尔。