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...
他被监禁了18个月，还责令他支付550英镑的诉讼费。He was jailed for 18 months and ordered to pay £550 costs.他被监禁了三年。He was held in captivity for three years.他们因拥有毒品而被监禁。They were imprisoned for possession of drugs....
It was autumn, and leaves were fluttering down in the light wind.现在是秋天, 树叶在微风中飘落下来....a butterfly fluttering its wings.挥动着翅膀的蝴蝶Thus, also, you pass from the lumpish grub the earth to the and fluttering butterfly.这样, 你还可以...
最后为了减少钢坯表面的温差, 作者对现有除鳞系统提出了相应的调整方案.Finally, two adjustment plans were made for improving the surface temperature uniformity.高压水 除鳞喷嘴是除鳞设备的关键零件.High - pressure water descaling spray nozzle is the crucial element of descal...
正式签订了每年可续签的合同。A formal contract is signed which is renewable annually.她靠与露华浓签订的一笔1,000万美元的合同发了大财。She's coining it in with a $10 million contract with Revlon.在签订任何协定之前一定要先征求法律专业人士的意见。Always seek professional legal ad...