embryo cloning造句

• From mechanical kinetics to the internet, from improvements in various surgical techniques to outer space landings and embryo cloning, the development of science and technology in the 20th century has progressed at a pace beyond imagination, especially in the last forty to fifty years . breakthroughs in medical science and the invention of computers have transformed and extended human life
  一科技的长足发展从机械动力到电脑网络,从各种内科手术的改进到登陆外星球和胚胎复制,20世纪的科技发展早已不止一日千里,特别是近四五十年来,医学上的突破和电脑的发明,让人类生活为之改观,寿命大为延长。