GRE阅读真题重点句子解析
留学群GRE考试栏目为大家分享“GRE阅读真题重点句子解析”，希望广大的考生能有所收获。想了解更多关于GRE考试的讯息，请继续关注我们网站的更新。 1. Although these molecules allow radiation at visible wavelengths， where most of the energy of sunlight is concentrated，to pass through，they absorb some of the longer-wavel...