1.Plains Indian Sign Language was the medium for communication of intertribal nations.

平原印第安人的手语是部落间交流的媒介。

2.When a large group of chimps split, for instance, vicious intertribal conflict followed.

一群猩猩内讧时，就会产生恶冲突。

3.This film from September 1930 shows one of the largest gatherings of intertribal indigenous leaders ever filmed.

这部电影拍于 1930 年 9 月，展示了有史以的部落间土著领导人聚会之一。

4.The police in the Pacific nation of Papua New Guinea have been authorized to use " lethal force" in response to recent intertribal violence in Enga province which has left at least sixty people dead.

太平洋国家巴布亚新几内亚的警察被授权使用“致命武力”应对近恩加省的部落间暴力事件，该事件已造成至少 60 人死亡。