目的探讨瑞芬太尼复合七氟烷应用于腹腔镜胆囊切除术中的麻醉效果、不良反应及对麻醉苏醒的影响.Objective To investigate the effects of anaesthesia receiving laparoscopic cholecystotomy.七氟烷是一种新型的吸入麻醉剂, 吸入和诱导迅速,可控性佳.Sevoflurane is a new type inhalation anesthetics with qu...
She was forever running errands for her housebound grandmother.她总是在为她不方便外出的祖母跑前跑后。He often runs errands for his grandmother.他经常给他的祖母跑腿儿。I have a few errands to do in the town.我在城里有些差事要办....
Lacking self-confidence and maturity, many teenagers are left feeling very vulnerable.许多十几岁的孩子既缺乏自信又不够懂事，所以感情上十分脆弱。Girls generally reach sexual maturity two years earlier than boys.通常女孩性发育成熟要比男孩早两年。Customers are told wha...