折射地震学

The Blurry World Underwater When you open your eyes underwater, things look blurry, but with goggles, everything looks perfectly clear. Why cant we landlubbers focus underwater without goggles? First, we need to explore how our eyes focus when were h

发表于:2018-12-31 / 阅读(150) / 评论(0) 分类 英语听力文摘 English Digest

magnitude 震级 strength 强度 intensity 烈度 The State Bureau of Seismology 国家地震局 casualty figure/death toll 伤亡人数 epicenter 震中 seismology 地震学 shock-resistant 抗震的 disaster mitigation 减灾 prefabricated house 简易

发表于:2019-01-17 / 阅读(139) / 评论(0) 分类 英文语法词汇