语言的单词

　　例句：

　　Why study Latin? It's a dead language.

　　为什么学拉丁语？它已经不再有人说了。

　　The research should prove invaluable in the study of children's language.

　　这项调查对于儿童语言的研究将极有价值。

　　The college is not an officially recognized English language school.

　　那所学院不是官方认可的英语学校。

　　Each language has a different vowel system.

　　每种语言都有不同的元音系统。