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....
Television broadcasters were warned to exercise caution over depicting scenes of violence.电视台受到警告，要求对暴力场面的描绘采取谨慎态度。"Keep quiet, or they'll all come out," they warned him.“别作声，否则他们全都出来了，”他们警告他。He warned that the acti...
The wilderness campsite had its own peculiar enchantment.野营地有其自身独特的魅力。The campsite is close to all local amenities.营地紧靠当地所有的便利设施。Heavy rain turned the campsite into a mudbath.大雨把露营地变成了一片泥沼。...
Steve barely said a handful of words during the first half hour.史蒂夫在前半小时里没说几句话.I'd taken a handful of uppers.我吃了几片兴奋剂。Officials at the Transportation Administration say they have already tried out a handful of backs...