Some basic problems and biogenesis on natural products research were analysed.分析了天然产物研究中的基本问题和生源研究.Those workers discuss the evidence for and against several models for microbody biogenesis in rat liver.这些研究者讨论赞成和反对鼠肝微体生...
In order to make it safe, the element is electrically insulated.为安全起见,该元件作了电绝缘处理。That electrically charged particles reside within atoms had been surmised since the time of Faraday.从法拉第的时代起,人们就已推测到,在原子内存在着带电的粒子.Electrica...
" He was out half the day with his granddad shrimping and went to bed hours ago.“ 和他爷爷去收了半天虾篓,早就睡了.Did Granddad making you write annoy you?外公让你写信是不是让你很烦 呢 ?And you sold granddad's pine grove?还有你要卖掉爷爷的松树园林 吗 ?...