按照上课例句的步骤:1)分析句子语法,主句、从句,及其嵌套关系;2)以每个谓语为核心拆分成若干短句;3)翻译短句;4)加入汉语连接词,翻译成一句通顺的汉语。每个步骤都要写,一定要避免翻译腔。 Pure science has been subdivided into the physical science, which deals with the facts and relations of the physical world, and the biological sciences, which investigate the history and workings of life on the planet.