[人名] 门德尔松
(mendelson 的复数)

[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

发表于:2018-12-13 / 阅读(112) / 评论(0) 分类 高中英语人教版必修第三册

[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

发表于:2018-12-13 / 阅读(98) / 评论(0) 分类 高中英语人教版必修高三

[00:00.63] 4.The Father of Genetics [00:04.55]His name is introduced to biology students, but often forgotten after the final exam. [00:10.76]His pioneering discoveries went unnoticed by the world until years after his death. [00:15.88]But now, in th

发表于:2018-12-26 / 阅读(40) / 评论(0) 分类 温馨夜读II

[00:00.00]Unit 6 In the laboratory [00:04.70]1.Listen,read and practice in pairs. [00:11.47]Do you like to do experiments in a laboratory? [00:16.54]What is a science class like? Let's see what these people are doing. [00:23.90]Teacher:Good morning,e

发表于:2018-12-29 / 阅读(116) / 评论(0) 分类 澳大利亚中学英语

For most of us, the periodic table is a thing of beauty in the abstract, but for chemists it established an immediate orderliness and clarity that can hardly be overstated. Without a doubt, the Periodic Table of the Chemical Elements is the most eleg

发表于:2019-01-29 / 阅读(47) / 评论(0) 分类 万物简史

Despite the occasional tidyings-up, chemistry by the second half of the nineteenth century was in something of a mess, which is why everybody was so pleased by the rise to prominence in 1869 of an odd and crazed-looking professor at the University of

发表于:2019-01-29 / 阅读(38) / 评论(0) 分类 万物简史