He said students were fanning social unrest with their violent protests.他说学生们的暴力抗议会煽动起社会动乱。He said they would appeal against the decision...他说他们将对该决议提出申诉。'You won't get away with this,' he said with unexpe...
不久它被氯仿所代替.It was soon replaced by chloroform.用氯仿将有机质提取出来并称重.The organics are extracted with chloroform and weighed.毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.Without doubt chloroform is one of the most important compounds containing a carb...