论述了以相转移催化剂催化合成邻硝基茴香醚的新方法.The process of synthesizing o - nitroanisole by using phase - transfer catalyst was described.丁化羟基茴香醚: 一种白色蜡状的苯酚抗氧化剂, CHO, 用于保存脂肪和油, 尤指在食物中.BHa: a white, waxy phenolic antioxidant, CHO, used to p...
When July Fourth comes around, the residents of Columbia City throw a noisy party.每逢7月4号美国独立日，哥伦比亚城的居民们都会举行热闹的聚会。You shouldn't throw up a chance like that!像那样的机会你真不该错过!I can not shake [ throw ] off my cold.我的感冒老是不好....
The restaurant is operated by the Palo Alto Auxiliary for the benefit of the Lucile Salter Packard Children's Hospital.这家餐厅由帕洛阿尔托附院经营，收益用来资助露西尔·帕卡德儿童医院。Lucile could be beautiful, gay and welldressed.露西尔人很漂亮, 性格开朗,衣着...
地精狂欢之后留下的秽物充满了大厅.Filth and remnants of dread feasting choked the halls.神鹰遗了一堆白色的秽物在岩石上,仍旧翱翔自如.A whitish speck flattened against the rock does not prevent the condor from soaring aloft....
Three ago they came here and ranched the mountainous dry land.他们三年前来到这里,在山区旱地经营农场.Many animals may be farmed or ranched to create a valuable legal trade.许多动物都可以驯化或放养,从而形成合法产业....