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。
If it is a long report, it is easy to make changes to the text.
即使是一篇很长的报告,也很容易将原文改动。
How did the bees know exactly in which diection to fly?