以二乙胺 、 二硫化碳、双氧水为原料,在硫酸的中和作用下合成戒酒硫, 研究了各反应条件的影响.Disculfiram was synthesized from diethyl amine, carbon disulfide and peroxide, and the reaction condition was studied....
Laura let out the clutch and pulled slowly away down the drive.劳拉松开离合器踏板，沿车道慢慢驶离。I staggered and had to clutch at a chair for support.我踉踉跄跄地，不得不抓住一把椅子稳住自己。The pedals seem a bit off-centre and the clutch is rather stiff.踏...
使用食具要按照正确的顺序.You should use your cutlery in the right order.陶瓷食具是盛放食物的容器,与人体健康休戚相关.The ceramic tablewares have a bearing on human body.无论出品 、 食具 、 以至环境装修等都充满创意,为顾客带来无限新鲜感.Both products, utensils, and decoration and so fu...
...people with puncture wounds.被刺伤的人们...a tyre that has a slow puncture.一个有小孔慢慢撒气的轮胎Obviously the puncture threw me a little, but I'm reasonably happy.显然，轮胎扎破让我感到有些意外，不过我还是挺开心的。Methods: Sepsis was induced by cecal l...
His honesty is beyond all question.他的诚实是毋庸置疑的.Beyond all question, this is the most voluptuous scene we have yet looked upon.毫无疑问, 我们从未见过这么娇媚的景致.Her conduct lies beyond all question and reproach.她的行为不容怀疑,无可指责....
加入一些能够提供智力鼓励的团体.Get involved in groups that can offer intellectual stimulation.可是, 辱骂曼联球迷却是极受鼓励的.Shouting abuse at Mancs, however, is to be encouraged.为他们提供营养的食品, 对他们说鼓励的话语, 给他们讲有趣的笑话.Nurture them with good food, good wo...
After a three-weekend courtship, Pamela accepted Randolph's proposal of marriage.经过3个周末的追求之后，帕梅拉接受了伦道夫的求婚。Pamela was an easy touch when she needed some cash.她缺钱花的时候，帕梅拉总是有求必应。Pamela was unrepentant about her strong ...
In this new book, Harrison brilliantly disentangles complex debates...在这本新作中，哈里森巧妙地理顺了那些纷繁复杂的争论。Fluorescent lights flickered, and then the room was brilliantly, blindingly bright...荧光灯闪了几下，接着屋子里豁然大亮，刺得人睁不开眼。Davies goes i...