Three novel Schiff bases were synthesized using the reaction of 4 - aminoatipyrine with 3 - formylchromone, cinnamaldehyde and anisaldehyde.用 4- 氨基安替比林与 3- 甲酰基色酮 、 肉桂醛、茴香醛反应分别合成了3种新的席夫碱化合物....
农民用脱粒机脱粒.Farmers thresh grain with threshing machines.他和他的堂兄弟们合伙买了一台蒸气脱粒机.He and his cousins bought a steam thresher on shares.脱粒机现在由电驱动.Now electricity runs the thresher....
In the end, we all decided to organize a concert for Easter.最终,我们一致决定组织一场复活节音乐会。It's the first time farmers have decided to organize.这是农场主首次决定组织起来。Go right ahead, I'm sure you don't need me to organize you...