| 释义 |
The whole population is so inbred that no genetic differences remain.整个族群都是同系繁殖，以至于根本不存在基因差异。One ethnic group predominates over others in that country.在那个国家，一个族群主宰其他的族群。This ritual is commonly observed among several ethnic groups.这种仪式常常可在几个不同族群中看到。The region has a long history of ethnic antagonisms.这个地区的族群对立由来已久。The country's borders are artificial, and were set with no consideration for the various ethnic groups in the region.那个国家的边界是人为划定的，当时没有考虑到那个地区的各个族群。The U.S. has a wide variety of ethnic groups made up of immigrants or their descendants.美国有许多由移民或其后裔组成的族群。This demographic (young teenagers) is the fastest-growing age group using the site.该族群（十几岁的年轻人）是使用这个网站人数增长最快的年龄群体。The Indonesians of the city form a distinct ethnic group.城里的印度尼西亚人形成一个截然不同的族群。There was an attempt to exterminate ethnic groups in the north of the country.有人企图要将该国北方的族群斩尽杀绝。An Iranian delegation visited northern Iraq to mediate between rival Kurdish groups.一支伊朗代表团访问了伊拉克北部，在敌对的库尔德人族群间调停。 |