定语从句表达状语从句的意义有网友问，下面的句子来自浙江大学外语教研室编写的《实用科技英语语法》：A light beam that consists of light of all wave lengths gives a continuous spectrum. 光束如果包含了各种波长的光就会呈现出连续光谱。...

时间:2025-06-02 16:59栏目:中学教育