铁和铝的化合物成为一种体积庞大的蓬松的游渣沉淀下来.Iron and aluminum compounds precipitate as a voluminous sludge.今天铝的用途多得不可胜数.Today, the uses of aluminum are innumerable.这些反映包括进入的配位体对铝的d空轨的电子给予作用.These reactions involve electrondonation from th...
For processing the high tensile metals: carbon stell common alloy stell, hard bronze forgeable castiron. etc.加工高抗张强度的金属: 碳素钢 、 硬青铜和可锻铸铁等.Suitable for cutting metal , such as structural steel refractory steel, castiron, g...
绿色的南美洲水蟒也有相同的捕食工具.For the green anaconda, the hunting tools are the same.欧洲水蟒; 巨蟒; 在某些分类中,被认为是与蟒科相独立的一科.Old World boas: pythons; in some classifications considered a separate family from Boidae....
The council recently drew fire for its intervention in the dispute.委员会最近因为介入该起争端而遭到批评。They agreed to try to settle their dispute by negotiation.他们同意通过谈判来努力解决纠纷。The rift within the organization reflects the growing bitter...
The other room - mate , Harold Goy , was a good soul , no older than a child.另外那个同屋子的哈罗德·盖伊, 是个心地纯良的孩子.And here is your third room mate.这位是你的第三位室友.You should talk to my room - mate Peter.您可以跟我的室友彼得谈一谈....