The Oxford Chemistry Primers aim to cover important topics in organic chemistry.《牛津化学初级读本》丛书旨在论述有机化学中的重要问题。He is more highly educated, with a PhD in Chemistry.他受过更高的教育，拥有化学博士学位。I wasn't too keen on physics and chemi...
I was a dunce at chemistry.我在化学方面是个劣等生....a chemistry textbook.化学课本Ester is one of the most important compounds in Organic Chemistry.酯是有机化学中最主要的化合物之一.It was by using anima that Besant and Leadbeater could observe atoms a...
An aquifer is a water - bearing rock stratum such as sandstone and chalk.地下蓄水层是一些有水的岩石层,如沙岩和白垩岩....the corruption that pervades every stratum of the country...渗透到社会各阶层的腐败An aquifer is a water-bearing rock stratum such as...
先生, 你想用哪一支杆?Sir, there are bunkers on both sides of the green.钨 绞丝, 钨加热子,引出线,支杆,电极等.Stranded tungsten wires , tungsten heater - elements leads supports ( rods ) and electrodes etc.他将刚刚支杆.He will just strut....
他任职于外交关系委员会。He was on the Council of Foreign Relations.目前, 我任职于BIT公司信息产业部经理.Currently, I serve as manager for BIT Company's Information Industry division.此后他发展成为专业的培训师和顾问并任职于不同的职位.He developed his professionalism as...
Their own lives already seemed to possess the symmetries of narrative art.他们自己的生活似乎已经拥有叙事艺术的对称性。This is in striking contrast with the symmetries to be discussed later.这与后面要讨论的对称性截然不同.Nuclei with closed - shell have spher...
...the evanescent scents of summer herbs.夏季香草逐渐消散的香味All was unstable; quivering as leaves, evanescent as lightning.一切都是不稳定的, 都象树叶似地颤动翻转,象闪电似地倏忽明灭.By epiphany he means'the most delicate and evanescent of such memorab...