In there compounds, the cyclopentadiene ring has only four hydrogens.在这些化合物里, 环戊二烯环只有4个氢.The method of cyclopentadiene ( CPD ) from dicyclopentadiene ( DCPD ) with liquid phase thermal decomposition method is studied.研究了...
Thank goodness it's cool in here.谢天谢地，这里面挺凉快。Thank goodness , we've found a cure for the disease.好了, 这病有救了!Thank goodness, you're back at last!谢天谢地你总算回来了!...
He was riffling through the papers on his desk.他很快地翻着他桌上的文件。She stands riffling through the pages.她站着在翻阅那本书.It only took him a few moments riffling through the records to find the fight name.他飞快地翻动着记录,一会儿就找到了那个名字....
University teachers have refused to supervise students' examinations...大学教师拒绝监考。The UN pledged to help supervise the clearance of mines.联合国承诺协助监督扫雷工作。Supervise and remind archivists arranging the documents and infor...
The one thing I look forward to is going punting in Cambridge.我期盼的一件事就是在剑桥乘坐平底船畅游。When I left Cambridge I had a £10,000 overdraft.我离开剑桥时，透支了1万英镑。He asked me to go to Cambridge with him.他要我和他一起去剑桥。...