The training covers extended periods in obstetrics and gynaecology.该培训包括产科学和妇科学的增加课时。She specializes in obstetrics.她是产科专家.Surgical training takes at least nine years, or 11 in the case of obstetrics.外科至少需要9年的专业训练，产科甚至需要1...
Surgical training takes at least nine years, or 11 in the case of obstetrics...外科至少需要9年的专业训练，产科甚至需要11年。The training covers extended periods in obstetrics and gynaecology.该培训包括产科学和妇科学的增加课时。Moshe Hod, a professor of obstet...
因此，即便有时他们熬夜到很晚，那也说明不了什么。So what if sometimes they stayed rather late, it doesn't mean anything.我以前总是和妈妈一起熬夜看电影。I used to stay up late with my mom and watch movies.我熬夜看了那场电影。I'd stayed up late to watch the film....
Thumbing a lift had once a carefree, easy-going image.伸手搭便车曾经给人以轻松随意的形象。I went out onto the road to start thumbing.我走到公路上,竖起拇指要求搭车.Thumbing the book, he found a maple leaf in it.他匆匆翻了一下书, 找到一片枫叶....
他们缔结盟约以效忠国王.They covenanted in loyalty to the king.我们越来越想终止那些纠缠不清的盟约.We increasingly want an end to entangling alliances.国际联盟盟约规定,所有签字国都不得诉诸战争.The covenant of the League of Nations bound all signatory states not to go to...