Some ethnic groups can't become acclimatized to the mainstream.

一些种族群体不能适应主流。

《柯林斯英汉双解大词典》

Some ethnic groups speak their own languages and have their own styles of dress, too.

有些民族说自己的语言，也有自己的服装风格。

youdao

This could be why flu is worse in some ethnic groups.

这便能解释为什么猪流感在某些种群中更为严重。

youdao

For example,husbands and wives in some ethnic groups are tested for the possibility of having a child with Tay-Sachs.

VOA: special.2010.03.23

They don't seem to be an ethnic group so much as a marginalized social class, but some have suggested a connection with the word "Hebrew."

他们并不像是少数民族,而更像是边缘化的社会阶级，但有些人指出它与希伯来这个词有关联“

耶鲁公开课 - 旧约导论课程节选

Reports by the ethnic Karen National Union in some other areas [as well say attacks by the Burmese military started in early July in the northern Karen state of that borders Thailand.

VOA: standard.2010.07.27

Renewed hostilities in some ethnic minority areas were a matter of great concern.

BBC: Aung San Suu Kyi cautiously positive on Burma reform

However, there is still the lack of the awareness towards mother-tongue based bilingual education in the general public and in some ethnic communities.

UNESCO: OFFICE IN PHNOM PENH

Woeser, a Tibetan poet and blogger, says that some ethnic-Tibetan officials privately complain about the clampdown, but Han Chinese officials in Tibet toe a uniformly hard line.

ECONOMIST: China and Tibet