暴风雨袭来时人群很快地四散了.The crowd quickly melted away when the storm broke.放学后,孩子们四散回家了.After school the children dispersed to their homes.乌云四散, 清新的微风吹拂着.The clouds cleared away, and a fresh breeze sprang up....
The progresses in five - membered heterocyclic metallocene analogic complexes and their application in olefin polymerization are reviewed.综述了五元杂环类茂金属配合物的研究进展及其在烯烃聚合中的应用.One would expect strong and positive correlations b...
The Intelsat IV communications satellite goes into commercial operation.国际卫星六号通信卫星投入商业使用.It's a member of the International Telecommunication Satellite Consortium ( INTELSAT ) , transmitting commercial traffic betwe...