她还是个小姑娘的时候就分担起照顾弟弟的责任。She had shared responsibility for her brother since girlhood.这对伴侣分担照看孩子的责任。Both partners shared childcare.男人分担多少家务和照看小孩的工作？How much do men share housework and the care of the children?...
目的: 建立鸢尾原料中鸢尾酮含量的分析方法.Objective : To establish a method for determination of Irone in Iris tectorum.本文综述了名贵香料鸢尾酮的合成进展.This paper summarized the in irons by synthesis.采用山苍子油提取得到的柠檬醛和丙酮等为主要原料合成鸢尾酮.Irone was obtained throug...