We tried to grow some copper sulphate crystals with our children.我们想跟孩子们一起制作硫酸铜晶体。Adding sulphate to the solution will give a precipitate.将硫酸盐加入该溶液会产生沉淀.More ammonium sulphate solution is being recovered in the process o...
I'm going out myself with the adjutant to recce training areas.我要亲自和副官出去侦察一下训练地区.Outside the sergeant - adjutant knelt down beside me where I lay, " Name? " he asked softly.到了外边,军曹副官跪在我的身边, “ 贵姓? ” 他轻轻地问.Also did no...
这份报社的工作让我日复一日地做着同样的事。The newspaper job had me doing the same thing day after day.“这个叫汤姆的人在一家地方小报社工作，”他说。"This man Tom works for a local rag," he said.所有报社真正想做的就是比对手抢先报道。All the newspapers really want to do is scoop the o...