那座花园是个繁花似锦、香气袭人的仙境.The garden was a fairyland of beautiful flowers and sweet odors.微风送来阵阵青草和野花的香气.The winds came down with scents of the grass and wild flowers.空气中弥漫着亚热带植物的香气.The air was perfumed with the scent of subtro...
简要介绍以此类方法对合成苯甲醛的研究.Based on the reactions , this paper reports research for synthesizing benzaldehyde.再溴代得到2-溴 -4,5-二甲氧基苯甲醛,收率为91.9%,并分析溴代过程中甲酰基的邻位效应及溴代产物的稳定性.This product with Br 2 was obtained 2 - bromo - 4,5 - hydroxy...
Shop assistants should do their best endeavors to give the customers satisfaction.店员应该尽力使顾客满意.He is earnest in his endeavors.他热心努力.My endeavors to bring about a settlement were ended in vain.我想达成和解的努力均归徒然....
He replaced the boiler when the last one began to spout flames.原来的锅炉开始往外喷火苗后他便换了个新的。the spout of a teapot茶壶嘴Rain from the roof goes down a long spout.屋顶上的雨水从一条漏水的管子中流出来....