用于描述名词,代词,短语或从句的性质,特征范围等情况的词叫做定语,定语可以由名词,形容词和起名词和形容词作用的词,短语担任。如果定语是单个词,定语放在被修饰词的前面,如果是词组,定语放在被修饰词的后面。That is a beautiful flower.那是一朵漂亮的花。The TV set made in that factory is very good.那个工厂生产的电视机很好。This is my book,not your book.这是我的书,不是你的书。There are more than twenty trees in ourschool.我们学校里有二十多棵树。I have a lot of things to do.我有好多要做的事情。Our country is a developing country.我们的国家是一个发展中的国家。