The service covers contraceptive advice and health checks, and is available free.服务项目包括避孕建议和健康检查，并且免费提供。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。Ann threw back the covers and s...
当小麦植株令其缺钾时, 丙酮酸激酶活性随之升高.When wheat plants allowed to become deficient in potassium, pyruvate kinase activity increased.司他夫定通过细胞激酶磷酸化,形成司他夫定的三磷酸盐而发挥抗病毒活性.Stavudine is phosphorylated by cellular kinases to the active metab...
He found it distasteful to be offered drinks before witnessing the execution.他觉得在目睹行刑前还要上酒让人很不舒服。At present, we are witnessing another building boom.当前，我们又一次处于建筑繁荣期。Today, we are witnessing a genuine convergence - even a...