火药是由硫 、 碳和硝酸钾组成.Gunpowder is composed of sulfur, carbon, and potassium nitrate.氨对硝酸钾的选择分离结晶效果较好.And ammonia had effective selectivity for the separation of potassium nitrate.用氯化钾与硝酸铵为原料,采用复分解法生产农用硝酸钾与氯化铵.Agricultural pot...
The optional wind deflector minimizes drafts and wind turbulence, eliminating wind chill and maximising comfort.作为备选设备的挡风板也以有效的防止气流干扰, 消除风冷,优化舒适度.A gas chromatographic method to quickly test the efficiency of refrigerato...
We don't like strangers who poke their noses into our affairs.我们不喜欢陌生人干预我们的事务。Social phobics quake at the thought of meeting strangers.患有社交恐惧症的人一想到要见陌生人就发抖。People did not teach their children to be wary of strangers...
Diplomacy was in his blood: his ancestors had been feudal lords.他天生擅长交际：他的祖先曾是封建领主。The custom of worshipping ancestors is prevalent among these people.崇拜祖先的风俗在这些人中是普遍的.Our ancestors merely made use of their hands to chan...
Some feminists sought reforms within the existing social order.一些女权主义者寻求在现存的社会制度内进行改革。Sitting in a cubicle is stupefying and isolating, only a social need.在工位上坐着令人麻木、与世隔绝, 只会让人更加渴望社交.Playing these games can lead to anti-...