I telephoned to my parents , eld brother, grandpa and my eld sister, my grandpa's condition optimist.今天跟爸妈、哥哥 、 祖父、姐姐通了一下电话, 祖父的病情不容乐观.Grandpa lies comatose on the sofa.爷爷躺在沙发上，睡得很沉。Grandpa dotes on his grandson.爷爷疼...
该酶蛋白含有17种氨基酸, 其中甘氨酸(Gly)和丙氨酸(Ala)为主要氨基酸.The protease includes 17 amino acids , among which, Gly and Ala are dominant amino acids.通过重组SOD技术使失去铜锌离子失活的酶蛋白恢复酶的催化活性.Furthermore, the inactivated enzyme losing metal ion is reac...
对合作化和集中化系统的要求使接受标准化变得非常重要.The requirements of cooperative and centralized systems make the acceptance of standards of vital importance.施舍使接受它的人蒙羞,从而使发放它的人变得冷酷无情.Charity degrades those who receive it and hardens those who...