标题: 请教语法题 [打印本页] 作者: Janelb 时间: 2012-7-26 14:42 标题: 请教语法题 有一道语法题的正确答案如下： Laos has a land area comparable to that of Great Britain but a population of only 4 million people, many of whom are members...... 不太明白这个but a population of only 4 million people在句子中是什么成分，多谢指教。