Polyoxyethylene glycols containing tertiary amine groups were synthesized with different amine initiators.以胺类化合物为起始剂,制备了几种含叔胺基的聚氧化乙烯二醇.tertiary syphilis第三期梅毒Antioxidant tertiary butyl hydroquinone was prepared by hydroqu...
The messenger bent and scratched at his knee where the strapping chafed.送信人弯下腰来，挠着膝部被绑腿磨红的地方。He sent the order by messenger.他通过邮递员发出订单。By the time the messenger reached him, the damage had been done.送信人赶到他那儿时, 损失已经造成了....
Imagine breakfasting on the patio on a beautiful summer's morning looking out at the tide.想象一下吧,美丽的夏日清晨,看着潮起潮落,在天井里吃着早点,该是多么惬意啊.They had a barbecue on their patio on Sunday.星期天他们在院子里进行烧烤。We often get complimentary r...
Overgrown deciduous shrubs can be cut back at this time of year.过于繁茂的落叶灌木可以在每年的这个时候修剪.Deciduous trees shed their leaves in autumn.落叶树木在秋天落叶.Fusions were common between strains from deciduous hosts or coniferous hosts.来自阔...
MacKenzie's plan for the third through sixth holes at Royal Melbourne ( West ).MacKenzie(麦肯齐教授)在RoyalMelbourne ( 皇家墨尔本 ) 从第三洞到第六洞的规划.General Lewis Mackenzie has impressed everyone with his authority and personal cou...