obscurities
[ obscurity ]的复数形式
- Indeed the account of how mathematicians stumbled, groped their way through obscurities, should give heart to any tyro in research
实在说，叙述数学家如何跌跤，如何在迷雾中摸索前进，应能使搞研究工作的任一新手鼓起勇气。收藏 - Indeed the account of how mathematicians stumbled, groped their way through obscurities should give heart to any tyro in research
实在说，叙述数学家如何跌跤，如何在迷雾中摸索前进，应能使搞研究工作的任何新手鼓起勇气。收藏
开心词场背单词