罗伯逊是位实干家,不是空想家。Robertson was a doer, not a thinker.在我们看来,空想家的观念好像不切实际.The ideas of a visionary may seem impractical to us.他们是 左翼 空想家.They are left - wing visionaries....
Consequence : the extraction rate of arecoline raises obviously.结果槟榔碱的提取率明显提高.The aim was to establish the detection method for the Arecoline hydrobromide content.考察建立氢溴酸槟榔碱含量的测定方法.Method: with the microwave extraction t...