为什么cell+phone前面不加定冠词the,例如Cell phones have altered the relationship among people.

为什么cell+phone前面不加定冠词the,例如Cell phones have altered the relationship among people. cctv9是不是独一无二的为什么前面不加定冠词 定冠词用法不是说岛屿前应该加定冠词吗?那New Zealand不是岛屿吗?为什么前面不加定冠词? 为什么国家前面不加定冠词,国家不是独一无二的吗? He was a greedy man and loved gold better than anyting alse in the world.gold前面为什么不加定冠词th不加定冠词the 最高级前面什么时候不加定冠词most practical electronic dictionary.前面为什么不用The而用A The telecope was launched into space.这里的space前面为什么不加定冠词the?那么既然是太空应该是个专有名词啊，怎么不用加定冠词呢？ IN NINTH STREET 为什么不加定冠词 walk south ten minutes中south前面为什么不加定冠词walk south for ten minutes中south前面为什么不加the Where is the coat?前面为什么要加定冠词the 为什么一些单词前面不能加定冠词例如song等 什么词前面加定冠词 Would you like bread or rice for your lunch?为什么bread 和RICE前面不加定冠词? Who is better,Li Ming or Wang Dong?这里的better 前面为什么不加定冠词the cell phone cell phone Is the pay phone?对吗?前面不加there对吗 定冠词用来表示世界上独一无二的事物,人也是独一无二的,为什莫前面不加定冠词the?