I see my role as being a catalyst for change.我认为我的角色是促成变革。A catalyst is a substance which speeds up a chemical reaction.催化剂是一种能加速化学反应的物质.It acts as a catalyst in the process of fermentation.它在发酵过程中起触媒的作用....
Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.In 2002, we develop Photo - catalyst & electronic Ionizer A...
Students have played an important role in the past, but for the moment, they're on the margins.学生过去曾经发挥了重要的作用，不过现在他们变得无足轻重了。The female role has been downgraded altogether in the drive for greater equality.在争取更多平等的运动...
The characteristics of hadron component in the cosmic ray high energy � � - ray families are presented.本文给出了宇宙线高能γ族中强子成份的特征.Objective To investigate the ultrasonographic characteristics of circumscribed choroidal hemangi...
这一聚合物的性质目前是个商业机密。The nature of the polymer is currently a trade secret.聚合物及类似材料的价格会下降。The prices of polymers and suchlike materials will decrease.接著我们致力于找出能够减弱辐射的聚合物.Then we got involved with trying to find polymers that...
她选了低速挡小心翼翼地沿小径下行。She selected a low gear and started down the track carefully.眼前有一条清晰可辨的小径通向山谷。A clearly defined track now leads down to the valley.从克拉斯特到牛顿有一条两英里的海滨小径。There is a 2 mile coastal walk from Craster to Newto...
Darker roasts, in contrast, have a fuller flavor approaching a bittersweet tang.深度烘焙, 比较而言, 苦甜参半的风味更加浓郁.That looks like a victory forconservation, albeit a bittersweet one.这看似动物保育工作的巨大成就,不过其中却有隐忧.And so their tale is a b...
Judith was sitting in a rocking-chair by the window...朱迪丝正坐在窗户边的一张摇椅里。Judith was sitting in a rocking-chair by the window.朱迪丝正坐在窗户边的一张摇椅里。He stood a few moments, rocking back and forwards on his heels.他站了一会儿，踮着脚跟前后摇晃。The...