She is alway blithering about some problems of hers.她总是唠叨不休地讲她(个人)的一些问题.Because there are alway some people don't know how to control themselves.因为总是有些人不懂如何控制他们自己.Life, be worthy of a rational being , be alway in pr...
The products were analyzed simultaneously using ethyl benzoate ( EB ) as internal standard.以苯甲酸乙 酯 为内标物,一次性同时分析了塔釜产物中各组分含量.The crude, wet benzoate ( 118 grams ) was dissolved with reflux in 1 , 400 ml methanol.将粗制 、 湿的苯甲...