英语被广泛使用 the proliferation(n) of English

　　英语的统治地位 the dominant role/the ascendancy/the hegemony of English

　　方言 dialect(n)/vernacular/the indigenous language

　　小语种将会消亡 lesser-known language wll become extinct/obsolete(adjs)

　　小语种的消亡(n) the extinct/demise of lesser-known languages

　　2 文化遗产包括有形和无形的两种 有形的如历史遗址，无形的如风俗习惯 仪式 传统道德观念等 cultural hertiage can be divided into two groups:tangible cultural hertiage,such as historic sites and intangible cultural hertiage,such as customs,rites,rituals and mores, etc.

　　保护 preserve (vt)

　　祖先 forefathers/ancestors

　　后代 descendants/posterity后面一个是不可数名词

　　3 少数民族 ethnic minorities

　　民族团结 the harmony(n) between ethnic groups/races

　　文化融合 cultural integration and synthesis(n)

　　互相影响 interaction

　　文化多元性 cultural diversity

　　丰富(v) enrich(vt)

　　狭隘的观念 insular/provincial/parochial(adjs)/parochial(adjs) mentality

　　贬低(v) deprecate/denigrate/minimize(vts) the importance of /disparage/trivialize/discredit(vts)

　　。。。不是一成不变的 sth. is not set/carved in stone