它的红外光谱与樟脑硝亚胺红外光谱相似.Its IR spectrum compared with that of comphor nitrimine.亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.合适的有机亚胺反应剂具有多种组成和结构.The suitable organic imine react...
I can't bring myself to ditch him and start again.我不忍心蹬掉他再觅新欢。Below the bridge we could just discern a narrow, weedy ditch.我们仅能依稀辨出桥下一条杂草丛生的窄沟。She underwent a heart transplant in a last-ditch attempt to save her.她动了...
The camshaft rotates in phase with the crankshaft, but at half its speed.凸轮轴和曲轴协调旋转, 但速度仅是曲轴的一半.Since 1958, an engine with a single overhead camshaft has been used.从1958年起, 便已使用带有单顶置凸轮机的发动机.In the engine, oil is supplied...
...as a man's physical strength ebbs...随着人体力的衰退When the tide ebbs it's a rock pool inhabited by crustaceans.退潮时，它便成为甲壳动物居住的岩石区潮水潭。Progenitive force ebbs , stillborn foetus, strange embryo increases.繁殖力衰退,死胎 、 怪...