The Native Americans caught and trained them and were then able to use them to carry their goods when they travelled from one camping ground to another.
美洲土著人捕捉野马,加以驯服。
As Fred was going in the same direction, he walked along with the tourist.
因为游客与弗雷德走的是同一个方向,他便与游客一道同行。
We talked and wondered about the people who had lived here before.