目的: 从佩兰中提取挥发油,并测定其含量.Objective : To extract and determine naphtha in Eupatorium fortune.方法: 采取超临界CO2萃取 、 微波萃取和水蒸汽蒸馏三种方法提取佩兰挥发油.Method: The volatile oils were obtained with supercritical CO 2, microwave and stream distill...
俱乐部已经把会议日期改到1月22号，星期六。The club has moved its meeting to Saturday, January 22nd.他是1月9号到的，蓬头垢面，疲惫不堪。He arrived on January 9, disheveled and much the worse for wear.在布里斯托尔附近的5号高速公路上，南行的车辆排成了绵延20英里的长龙。Southbound traffic tail...
...bidders for two licences to develop cellular telephone systems in Greece.努力争取得到两张在希腊开发移动电话系统许可证的运营商The Board is scrupulous in its consideration of all applications for licences.委员会对所有申请许可证的人予以审慎考虑。The City of London d...
Amniocentesis is the removal of fluid from the amniotic sac.羊膜穿刺术是从羊膜囊抽取羊水的技术.Objective To investigate some questions about ultrasound localization of amniocentesis.目的探讨羊膜腔穿刺术超声定位的有关问题.Amniocentesis is the standard prena...
The scientist could not calculate when the spaceship would reach the Jupiter.那位科学家没有算出那艘宇宙飞船什么时候会到达木星。The spaceship is already being counted down.宇宙飞船已开始倒数计时了.The spaceship will soon be launched, the people at control ha...
We squatted beside the pool and watched the diver sink slowly down.我们蹲在水池旁，看着潜水者慢慢沉下水。He squatted on the floor and gave vent to a deep sigh.他蹲在地板上，深深叹了一口气。Edgar squatted on his haunches.埃德加蹲着。...