这里的approximate 是动词!!因为完整的句子是:...theories approximate the truth...
个人感觉这里how one determine close theories是疑问代词引导的从句做主语。谓语动词应该是is .然后这里给我感觉这句话的完整结构应该是how one determine close theories(which are )approximate the truth is the day to day business of science. approminate the truth 修饰theories的。
个人感觉这里how one determine close theories是疑问代词引导的从句做主语。谓语动词应该是is .然后这里给我感觉这句话的完整结构应该是how one determine close theories(which are )approximate the truth is the day to day business of science. approminate the truth 修饰theories的。