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...
They signed a confidentiality agreement.他们签署了一份保守机密的协议。There are some goals of Certified E - mail Protocol : confidentiality non - repudiation and fairness.挂号 电子邮件 协议需要具备保密性、不可否认性及公平性.All adjudicators are expected to obs...
The hornets are the worst -- they often lurk outside the hives to rob the bees. "你得提防虫子爬进来,还得提防大黄蜂.大黄蜂这贼最恶, 常常落在蜜蜂窝洞口. 专干坏事. ”...the diabolic forces which lurk in all violence.潜伏在一切暴力之中的邪恶力量Dangers lurk in the path of wi...
The record was a bootleg.这张唱片是盗版的。Mr. Hong was more than a simple distributor of bootleg software.洪磊并不是简单的盗版软件销售者.Some students were arrested for selling bootleg recordings on the Internet.一些学生因在网路上贩卖盗版品而被捕....