Later, they encountered a group of wolves.

后来，董书畅和安久遇到了狼群。

On their way to London, the children encounter a traveling group of gypsies.

在去伦敦的路上，孩子们遇到了一群吉普赛人。

They encountered many groups of indigenous people some of whom, had long-ago built huge cities.

他们遇到了许多土著居民，其中一些人很久以前就建造了大城市。

About 8,000 years ago, they encountered a group of newer arrivals - pale skinned and brown eyed farmers from the Middle East.

大约8000年前，他们遇到一批新的进入者—来自中东的皮肤苍白、棕色眼睛的农民。