Diphenyl carbonate shows a typical vinyl ester effect.碳酸二苯酯表现典型的乙烯的酯类的效应.Diphenyl carbonate ( DPC ) is an important intermediate in plastic industry.碳酸 二苯酯是重要的有机中间体,应用于塑料工业.Curing shrinkage, temperature and curing enthal...
铅是早在古代就已知的金属之一。Lead was one of the metals known to the ancient world.水银是一种已知的有毒物质。Mercury is a known poison.人们通常从已知的事实中推断未知的事实.People usually infer an unknown fact from a known fact....
阿波罗尼做了去粗取精和使之系统化的工作.Apollonius stripped the knowledge of all irrelevancies and fashioned It'systematically.应用矩阵可以使计算程序系统化,并可使问题适于用计算机求解.The use of matrices systematizes the calculation procedure and adapts the probl...
他们中许多人将钱财挥霍于购买小游艇 、 罗尔斯?罗伊斯豪华汽车和钻石.Many spent their wealth on yachts, Rolls Royces and diamonds.有些汽车开过, 拖车上装着小游艇和挺大的外装马达.Some cars came through, towing small boats and big outboard motors on trailers.喜欢呆在游艇的人住在小游艇船坞旁.Boa...
I am tired of hunting the same old coon.反复干同样的事,我真干腻了.She is tired of hunting the same old coon.反复地干同样的事,她真干腻了.My letter will coon reach him, it is on the road.我的信正在途中, 他很快就会收到的....