多民族的英文：
multiracial

Tea culture is one of the common traits shared by all the 56 ethnic groups in China.
茶文化是中华多民族文化中的一个共同特征。

And established the first centralized, unified, multi-national state in Chinese history- the Qin Dynasty.
建立中国历史上第一个统一的多民族的国家——秦。

Working in a multiracial community had brought him up against the realities of intolerance.
在一个种族复杂的社会中工作，使他面临种族歧视的事实。

Working in a multi-racial community had brought him up against the realities of intolerance
在多种族地区工作，使他面临种族偏见的现实。

Singapore is a multi-racial country and Singaporeans are encouraged to be bilingual or even multi-lingual
新加坡是一个多元种族社会，政府的双语政策鼓励人们通晓两种语文，甚至更多种语文。

This, together with its multiracial society, informal lifestyle and agreeable climate, lure foreigners to its shores.
这一点，加上这里的多元种族社会、不拘礼仪的生活方式，宜人的气候，使得外国人才近悦远来。

Singapore is a multi-racial country with several languages and cultures. Ethnic Chinese account for 75 per cent of the population, but their native language is not proportionately important or useful.
我国是多元种族、多种语言、多元文化的国家，以人口来论，虽然华人占了75%，但是华文的实用价值和重要性，并不成为正比例。