Before the eighteenth century, botany was merely a branch of medicine. Until then, mostly doctors and surgeons studied herbs. Attempts had been made by others to classify plant species into groups, but the breakthrough came with the work of Carl Lin

发表于:2018-12-04 / 阅读(31) / 评论(0) 分类 人教全日制普通高中英语(必修)高三(全一册)

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. On our program this week, we will tell about an animal that can reproduce without mating. We also will tell about a Swedish man who d

发表于:2019-01-11 / 阅读(92) / 评论(0) 分类 VOA慢速英语2007年(六)月

This was an amazing disclosure. 这句话里包含着丰富的历史内容。 Joseph Banks was England's greatest botanist, and the Endeavour voyage that is the one on which Captain Cook charted the 1769 transit of Venus 约瑟夫班克斯是英国最伟

发表于:2019-03-04 / 阅读(107) / 评论(0) 分类 万物简史

The Linnaean system is so well established that we can hardly imagine an alternative, 林奈分类系统的地位已经牢固确立,我们很难想像还能有别的体系来取而代之。 but before Linnaeus, systems of classification were often

发表于:2019-03-04 / 阅读(107) / 评论(0) 分类 万物简史

The flowers' leaves serve as a bridal bed, which the Creator has so gloriously arranged, 花儿的叶子当做新婚之床,这一切造物主已经作好了极好的安排, adorned with such noble bed curtains, and perfumed with so many soft scen

发表于:2019-03-04 / 阅读(98) / 评论(0) 分类 万物简史

First: The uncertain, unsettled condition of this science of Cetology is in the very vestibule attested by the fact, that in some quarters it still remains a moot point whether a whale be a fish. 第一,鲸类学这门科学之未定未决的情形,正

发表于:2019-03-10 / 阅读(101) / 评论(0) 分类 白鲸记