It was unbelievably dramatic as lightning crackled all round the van.闪电在货车周围炸开时，情景异常壮观。Suddenly a bolt of lightning crackled through the sky.突然一道闪电划破长空。There was frequent thunder and lightning, and torrential rain.雷电交加，大...
Leaching of copper from chalcocite with acidic acetonitrilecopper sulphate system was studied.研究了用酸性乙腈硫酸铜体系从辉铜矿中提取铜.The deep oxidation and groundwater leaching solubilizes much of the loosely bound uranium.深部氧化和地下水淋蚀使大部分...
This sugar cane is quite a sweet and juicy.这甘蔗既甜又多汁.The sugar-cane is taken to the factory where the juice is crushed out.甘蔗被运到工厂中去榨汁。He wore a grey suit and leaned heavily on his cane.他身穿一件灰色西装,吃力地拄着拐杖。Many farmers are ...
He's touring South America at this moment in time.他此刻正在南美旅游观光。South Africa was going through a period of irreversible change.南非正在经历一场不可逆转的变革。I think your South American youth has prejudiced you.我认为你在南美度过的青少年时代让你产生了偏...
对每升溶液加入20毫克硅藻土助滤剂.Add 20 mg. of diatomaceous earth filter aid per liter of solution.可不断地加入硅藻土.Diatomite may be continuously added.在分包者的仓库中允许使用硅藻土.One could use Diatomite in storage of a Sub - divider....