Recent advances in ring closing metathesis ( RCM ) reaction, including olefin and enyne metathesis reaction are reviewed.综述了近几年来关环复分解 ( RCM ) 反应的研究新进展, 包括了烯烃、烯-炔的RCM反应.Advances in medicine, astronomy , and cartography ar...
They clothe their children in the latest fashions.他们给他们的孩子穿最时髦的服装。New fashions are exposing more and more the body.新式服装越来越露.Paris is the home of women's fashions.巴黎是妇女时装的中心....
They will launch on the production of passenger cars next month.他们将于下个月开始生产客车。The captain was on the deck of the launch, steadying the boat for the pilot.船长站在汽艇甲板上为领航员保向。He said the launch of the party represented a mile...