She is betrothed to John.她同约翰订了婚.She was betrothed to his brother.她和他哥哥订了婚。He was prescribing poetry to his betrothed.他在给他的未婚妻制定一种诗意.The couple was betrothed with the family's approval.那对男女经家里同意订了婚....
Abstract The minimal heart rate recorded with 24 - hour dynamic electrocardiagraphic ( DCG ) monitoring in 1070 elderly patients was analysed.回顾并随访分析1070例老年患者24小时动态心电图 ( DCG ) 中的最低心率.Objective To observe the DCG and chan...
This paper advances the preparation method of erucamide by direct ammonolysis of rape oil. sol - vent crystallization.本研究提出菜籽油直接氨解、溶剂脱脂、蒸馏预分离、溶剂结晶提纯制取芥酸酰胺的方法....
She was still hale and hearty in her nineties.她九十多岁了，但身子骨还是很硬朗。At the peak of its popularity in the late nineties, the band sold ten million albums a year.20世纪90年代后期那个乐队最红的时候,每年售出1,000万张唱片.Into her nineties, her thinking...
He managed to acquire a thin veneer of knowledge to mask his real ignorance.他设法装出有点知识的外表，用来掩饰自己的无知。She remained in blissful ignorance of these events.她有幸一直不知道这些事情.What shocked me was the discourteousness and ignorance of...
Our knowledge regarding the effects of ionizing radiations is still meagre.我们关于电离辐射效应的知识仍很不足.Dense gas serves to reduce the ionization, because it absorbs the ionizing soft x rays.因为浓密气体吸收掉了使其电离的软x射线,因此能减少电离.Nucleon and ...