Based on the reactions , this paper reports research for synthesizing benzaldehyde.简要介绍以此类方法对合成苯甲醛的研究.Natural benzaldehyde is prepared by hydrolysis cassia leaf oil.从桂叶油出发,通过碱性水解制备天然苯甲醛.Pitch resin was synthesized from b...
'I'm tickled pink,' said Jimmy after his wife gave birth.“我太开心了，”吉米在妻子分娩后说。This idea tickled Jo's fancy and put her in good spirits.这个念头触发了裘的幻想,使她恢复了好情绪.The comedian tickled the crowd with his jokes.喜...
Retailers have tried almost everything to entice shoppers through their doors.零售商们几乎尝试了所有办法以吸引购物者进入商店。The bargain prices are expected to entice customers away from other stores.低廉的价格意在把顾客从其他商店吸引过来。An attempt is being mad...
Euclid was not always right.欧几里德不一定全对.Where Euclid unconsciously assumed the infinitude of straight lines.欧几里得不自觉地假定了直线的无限性.Some of these are mistakes made by Euclid that can be remedied.有些错误是欧几里德搞错的,可以纠正....