英语语法分析

This aquifer was named the Ogallala aquifer after the Ogallala Sioux Indians, who once inhabited the region.

这个含水层被命名为奥加拉拉含水层，以曾经居住在这个地区的奥加拉拉-苏族印第安人的名字命名。

Alison Storm and four childhood friends from Sioux City, Iowa, live in five states in four time zones.

来自爱荷华州苏城的爱丽森·斯托姆和她们四个童年好友分别住在五个州和四个时区。

If the Navaho and the Sioux had known what was coming for them, they never would have made those treaties.

如果纳瓦霍人和苏族人早知道会发生什么，他们绝不会签订那些条约。